dynamsoft-docs · Mark-Dynamsoft · Sep 16, 2026 · Mar 4, 2026 · Sep 10, 2026 · Sep 10, 2026
diff --git a/_config.yml b/_config.yml
@@ -6,13 +6,9 @@ docHomePage: /document-normalizer/docs/core/introduction/
 needSearchIndex: true
 searchNeedFilter: true
 
-ddn_cpp: /document-normalizer/docs/server/programming/cplusplus/
 ddn_cpp_api: /document-normalizer/docs/server/programming/cplusplus/api-reference/
-ddn_dotnet: /document-normalizer/docs/server/programming/dotnet/
 ddn_dotnet_api: /document-normalizer/docs/server/programming/dotnet/api-reference/
-ddn_python: /document-normalizer/docs/server/programming/python/
 ddn_python_api: /document-normalizer/docs/server/programming/python/api-reference/
-ddn_java: /document-normalizer/docs/server/programming/java/
 ddn_java_api: /document-normalizer/docs/server/programming/java/api-reference/
 
 

diff --git a/programming/cplusplus/api-reference/candidate-quad-edges-unit.md b/programming/cplusplus/api-reference/candidate-quad-edges-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CCandidateQuadEdgesUnit Class
-description: This page shows CCandidateQuadEdgesUnit class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CCandidateQuadEdgesUnit class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result unit containing candidate quad edges detected from a document image.
 keywords: GetCount, GetCandidateQuadEdge, CCandidateQuadEdgesUnit, api reference
 permalink: /programming/cplusplus/api-reference/candidate-quad-edges-unit.html
 ---

diff --git a/programming/cplusplus/api-reference/corners-unit.md b/programming/cplusplus/api-reference/corners-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CCornersUnit Class
-description: This page shows CCornersUnit class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CCornersUnit class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result unit containing corners detected from a document image.
 keywords: GetCount, GetCorner, CCornersUnit, api reference
 permalink: /programming/cplusplus/api-reference/corners-unit.html
 ---

diff --git a/programming/cplusplus/api-reference/deskewed-image-element.md b/programming/cplusplus/api-reference/deskewed-image-element.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDeskewedImageElement Class
-description: This page shows CDeskewedImageElement class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDeskewedImageElement class in Dynamsoft Document Normalizer C++ Edition, which represents a deskewed image element produced during document normalization.
 keywords: GetImageData, CDeskewedImageElement, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/deskewed-image-result-item.md b/programming/cplusplus/api-reference/deskewed-image-result-item.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDeskewedImageResultItem Class
-description: This page shows CDeskewedImageResultItem class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDeskewedImageResultItem class in Dynamsoft Document Normalizer C++ Edition, which represents a captured result item containing a deskewed document image.
 keywords: GetImageData, SaveToFile, CDeskewedImageResultItem, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/deskewed-image-unit.md b/programming/cplusplus/api-reference/deskewed-image-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDeskewedImagesUnit Class
-description: This page shows CDeskewedImagesUnit class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDeskewedImagesUnit class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result unit containing deskewed document images.
 keywords: GetDeskewedImage, CDeskewedImagesUnit, api reference
 permalink: /programming/cplusplus/api-reference/Deskewed-image-unit.html
 ---

diff --git a/programming/cplusplus/api-reference/detected-quad-element.md b/programming/cplusplus/api-reference/detected-quad-element.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDetectedQuadElement Class
-description: This page shows CDetectedQuadElement class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDetectedQuadElement class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result element containing a detected quadrilateral boundary of a document.
 keywords: GetConfidenceAsDocumentBoundary, CDetectedQuadElement, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/detected-quad-result-item.md b/programming/cplusplus/api-reference/detected-quad-result-item.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDetectedQuadResultItem Class
-description: This page shows CDetectedQuadResultItem class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDetectedQuadResultItem class in Dynamsoft Document Normalizer C++ Edition, which represents a captured result item containing a detected quadrilateral boundary.
 keywords: GetLocation, GetConfidenceAsDocumentBoundary, GetRotationTransformMatrix, CDetectedQuadResultItem, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/detected-quads-result-array.md b/programming/cplusplus/api-reference/detected-quads-result-array.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDetectedQuadsResultArray Class
-description: This page shows CDetectedQuadsResultArray class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDetectedQuadsResultArray class in Dynamsoft Document Normalizer C++ Edition, which provides an array of detected quadrilateral results.
 keywords: GetCount, GetResult, CDetectedQuadsResultArray, api reference
 permalink: /programming/cplusplus/api-reference/detected-quads-result-array.html
 ---

diff --git a/programming/cplusplus/api-reference/detected-quads-result.md b/programming/cplusplus/api-reference/detected-quads-result.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDetectedQuadsResult Class
-description: This page shows CDetectedQuadsResult class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDetectedQuadsResult class in Dynamsoft Document Normalizer C++ Edition, which represents the collection of all detected quadrilateral results from a document detection task.
 keywords: GetItemsCount, GetErrorCode, GetErrorString, GetItem, GetOriginalImageHashId, GetOriginalImageTag, CDetectedQuadsResult, api reference
 permalink: /programming/cplusplus/api-reference/detected-quads-result.html
 ---

diff --git a/programming/cplusplus/api-reference/detected-quads-unit.md b/programming/cplusplus/api-reference/detected-quads-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CDetectedQuadsUnit Class
-description: This page shows CDetectedQuadsUnit class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CDetectedQuadsUnit class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result unit containing detected quadrilateral boundaries.
 keywords: GetCount, GetDetectedQuad, CDetectedQuadsUnit, api reference
 permalink: /programming/cplusplus/api-reference/detected-quads-unit.html
 ---

diff --git a/programming/cplusplus/api-reference/document-normalizer-module.md b/programming/cplusplus/api-reference/document-normalizer-module.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: class CDocumentNormalizerModule - Dynamsoft Document Normalizer Classes
-description: This page shows the C++ edition of the class CDocumentNormalizerModule in Document Normalizer Module.
+description: API reference for the CDocumentNormalizerModule class in Dynamsoft Document Normalizer C++ Edition, which provides general functions for the Document Normalizer module.
 keywords: document normalizer module, c++
 needAutoGenerateSidebar: true
 needGenerateH3Content: true

diff --git a/programming/cplusplus/api-reference/enhanced-image-element.md b/programming/cplusplus/api-reference/enhanced-image-element.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CEnhancedImageElement Class
-description: This page shows CEnhancedImageElement class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CEnhancedImageElement class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result element containing an enhanced (color-corrected) document image.
 keywords: SetImageData, CEnhancedImageElement, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/enhanced-image-result-item.md b/programming/cplusplus/api-reference/enhanced-image-result-item.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CEnhancedImageResultItem Class
-description: This page shows CEnhancedImageResultItem class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CEnhancedImageResultItem class in Dynamsoft Document Normalizer C++ Edition, which represents a captured result item containing an enhanced document image.
 keywords: GetImageData, SaveToFile, CEnhancedImageResultItem, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/enhanced-image-unit.md b/programming/cplusplus/api-reference/enhanced-image-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CEnhancedImagesUnit Class
-description: This page shows CEnhancedImagesUnit class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CEnhancedImagesUnit class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result unit containing enhanced document images.
 keywords: GetEnhancedImage, CEnhancedImagesUnit, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/logic-lines-unit.md b/programming/cplusplus/api-reference/logic-lines-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CLogicLinesUnit Class
-description: This page shows CLogicLinesUnit class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CLogicLinesUnit class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result unit containing logical lines detected from a document image.
 keywords: GetCount, GetLogicLine, CLogicLinesUnit, api reference
 permalink: /programming/cplusplus/api-reference/logic-lines-unit.html
 ---

diff --git a/programming/cplusplus/api-reference/long-lines-unit.md b/programming/cplusplus/api-reference/long-lines-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CLongLinesUnit Class
-description: This page shows CLongLinesUnit class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CLongLinesUnit class in Dynamsoft Document Normalizer C++ Edition, which represents an intermediate result unit containing long lines detected from a document image.
 keywords: GetCount, GetLongLine, CLongLinesUnit, api reference
 permalink: /programming/cplusplus/api-reference/long-lines-unit.html
 ---

diff --git a/programming/cplusplus/api-reference/processed-document-result.md b/programming/cplusplus/api-reference/processed-document-result.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CProcessedDocumentResult Class
-description: This page shows CProcessedDocumentResult class definition of Dynamsoft Document Normalizer SDK C++ Edition.
+description: API reference for the CProcessedDocumentResult class in Dynamsoft Document Normalizer C++ Edition, which holds all processed document results including detected quads, deskewed images, and enhanced images.
 keywords: CProcessedDocumentResult, api reference
 ---
 

diff --git a/programming/cplusplus/api-reference/simplified-document-normalizer-settings.md b/programming/cplusplus/api-reference/simplified-document-normalizer-settings.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: struct SimplifiedDocumentNormalizerSettings - Dynamsoft Capture Vision C++ Edition API Reference
-description: This page shows the SimplifiedDocumentNormalizerSettings struct of the CCaptureVisionRouter class of the Dynamsoft Capture Vision C++ Edition.
+description: API reference for the SimplifiedDocumentNormalizerSettings struct in Dynamsoft Document Normalizer C++ Edition, which contains simplified configuration options for document normalization tasks.
 keywords: struct, c++, SimplifiedDocumentNormalizerSettings
 needAutoGenerateSidebar: true
 needGenerateH3Content: true

diff --git a/programming/dotnet/api-reference/candidate-quad-edges-unit.md b/programming/dotnet/api-reference/candidate-quad-edges-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CandidateQuadEdgesUnit Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows CandidateQuadEdgesUnit class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the CandidateQuadEdgesUnit class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result unit containing candidate quad edges detected from a document image.
 keywords: GetCount, GetCandidateQuadEdge, CandidateQuadEdgesUnit, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/corners-unit.md b/programming/dotnet/api-reference/corners-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CornersUnit Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows CornersUnit class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the CornersUnit class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result unit containing corners detected from a document image.
 keywords: GetCount, GetCorner, CornersUnit, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/deskewed-image-element.md b/programming/dotnet/api-reference/deskewed-image-element.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: DeskewedImageElement Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows DeskewedImageElement class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the DeskewedImageElement class in Dynamsoft Document Normalizer .NET Edition, which represents a deskewed image element produced during document normalization.
 keywords: GetImageData, DeskewedImageElement, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/deskewed-image-result-item.md b/programming/dotnet/api-reference/deskewed-image-result-item.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: DeskewedImageResultItem Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows DeskewedImageResultItem class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the DeskewedImageResultItem class in Dynamsoft Document Normalizer .NET Edition, which represents a captured result item containing a deskewed document image.
 keywords: GetImageData, SaveToFile, DeskewedImageResultItem, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/deskewed-image-unit.md b/programming/dotnet/api-reference/deskewed-image-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: DeskewedImagesUnit Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows DeskewedImagesUnit class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the DeskewedImagesUnit class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result unit containing deskewed document images.
 keywords: GetDeskewedImage, DeskewedImagesUnit, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/detected-quad-element.md b/programming/dotnet/api-reference/detected-quad-element.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: DetectedQuadElement Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows DetectedQuadElement class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the DetectedQuadElement class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result element containing a detected quadrilateral boundary of a document.
 keywords: GetConfidenceAsDocumentBoundary, DetectedQuadElement, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/detected-quads-unit.md b/programming/dotnet/api-reference/detected-quads-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: DetectedQuadsUnit Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows DetectedQuadsUnit class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the DetectedQuadsUnit class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result unit containing detected quadrilateral boundaries.
 keywords: GetCount, GetDetectedQuad, DetectedQuadsUnit, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/enhanced-image-element.md b/programming/dotnet/api-reference/enhanced-image-element.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: EnhancedImageElement Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows EnhancedImageElement class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the EnhancedImageElement class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result element containing an enhanced (color-corrected) document image.
 keywords: SetImageData, EnhancedImageElement, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/enhanced-image-result-item.md b/programming/dotnet/api-reference/enhanced-image-result-item.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: EnhancedImageResultItem Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows EnhancedImageResultItem class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the EnhancedImageResultItem class in Dynamsoft Document Normalizer .NET Edition, which represents a captured result item containing an enhanced document image.
 keywords: GetImageData, SaveToFile, EnhancedImageResultItem, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/enhanced-image-unit.md b/programming/dotnet/api-reference/enhanced-image-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: EnhancedImagesUnit Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows EnhancedImagesUnit class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the EnhancedImagesUnit class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result unit containing enhanced document images.
 keywords: GetEnhancedImage, EnhancedImagesUnit, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/enum-image-colour-mode.md b/programming/dotnet/api-reference/enum-image-colour-mode.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: ImageColourMode - Dynamsoft Document Normalizer .NET Enumerations
-description: The enumeration ImageColourMode describes the mapping status of a parsed field for .NET Edition.
+description: The enumeration ImageColourMode describes the colour mode options for output document images in Dynamsoft Document Normalizer .NET Edition, such as colour, grayscale, or binary.
 keywords: Mapping status
 needGenerateH3Content: true
 needAutoGenerateSidebar: true

diff --git a/programming/dotnet/api-reference/logic-lines-unit.md b/programming/dotnet/api-reference/logic-lines-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: LogicLinesUnit Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows LogicLinesUnit class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the LogicLinesUnit class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result unit containing logical lines detected from a document image.
 keywords: GetCount, GetLogicLine, LogicLinesUnit, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/long-lines-unit.md b/programming/dotnet/api-reference/long-lines-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: LongLinesUnit Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows LongLinesUnit class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the LongLinesUnit class in Dynamsoft Document Normalizer .NET Edition, which represents an intermediate result unit containing long lines detected from a document image.
 keywords: GetCount, GetLongLine, LongLinesUnit, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/processed-document-result.md b/programming/dotnet/api-reference/processed-document-result.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: ProcessedDocumentResult Class - Dynamsoft Document Normalizer Module .NET Edition API Reference
-description: This page shows ProcessedDocumentResult class definition of Dynamsoft Document Normalizer SDK .NET Edition.
+description: API reference for the ProcessedDocumentResult class in Dynamsoft Document Normalizer .NET Edition, which holds all processed document results including detected quads, deskewed images, and enhanced images.
 keywords: ProcessedDocumentResult, api reference
 ---
 

diff --git a/programming/dotnet/api-reference/simplified-document-normalizer-settings.md b/programming/dotnet/api-reference/simplified-document-normalizer-settings.md
@@ -48,7 +48,7 @@ EnumGrayscaleEnhancementMode[] grayscaleEnhancementModes;
 
 ### colourMode
 
-Sets the output image colour mode using an enumeration value from [`EnumImageColourMode`]({{ site.ddn_dotnet_api }}core/enum-image-colour-mode.html).
+Sets the output image colour mode using an enumeration value from [`EnumImageColourMode`]({{ site.ddn_dotnet_api }}enum-image-colour-mode.html).
 
 ```csharp
 EnumImageColourMode colourMode;

diff --git a/programming/java/api-reference/detected-quad-element.md b/programming/java/api-reference/detected-quad-element.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: DetectedQuadElement Class
-description: This page shows DetectedQuadElement class definition of Dynamsoft Document Normalizer SDK Java Edition.
+description: API reference for the DetectedQuadElement class in Dynamsoft Document Normalizer Java Edition, which represents an intermediate result element containing a detected quadrilateral boundary of a document.
 keywords: getConfidenceAsDocumentBoundary, DetectedQuadElement, api reference
 ---
 

diff --git a/programming/java/api-reference/enum-image-colour-mode.md b/programming/java/api-reference/enum-image-colour-mode.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: EnumImageColourMode - Dynamsoft Document Normalizer Java Enumerations
-description: The enumeration EnumImageColourMode of Dynamsoft Document Normalizer describes the mapping status of a parsed field.
+description: The enumeration EnumImageColourMode of Dynamsoft Document Normalizer describes the colour mode options for output document images in Java Edition, such as colour, grayscale, or binary.
 keywords: Mapping status
 ---
 

diff --git a/programming/java/api-reference/processed-document-result.md b/programming/java/api-reference/processed-document-result.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: ProcessedDocumentResult Class
-description: This page shows ProcessedDocumentResult class definition of Dynamsoft Document Normalizer SDK Java Edition.
+description: API reference for the ProcessedDocumentResult class in Dynamsoft Document Normalizer Java Edition, which holds all processed document results including detected quads, deskewed images, and enhanced images.
 keywords: ProcessedDocumentResult, api reference
 ---
 

diff --git a/programming/python/api-reference/candidate-quad-edges-unit.md b/programming/python/api-reference/candidate-quad-edges-unit.md
@@ -1,7 +1,7 @@
 ---
 layout: default-layout
 title: CandidateQuadEdgesUnit Class
-description: This page shows CandidateQuadEdgesUnit class definition of Dynamsoft Document Normalizer SDK Python Edition.
+description: API reference for the CandidateQuadEdgesUnit class in Dynamsoft Document Normalizer Python Edition, which represents an intermediate result unit containing candidate quad edges detected from a document image.
 keywords: get_count, get_candidate_quad_edge, CandidateQuadEdgesUnit, api reference
 ---