diff --git a/imap_l3_processing/cdf/config/imap_glows_l3a_global_cdf_attrs.yaml b/imap_l3_processing/cdf/config/imap_glows_l3a_global_cdf_attrs.yaml
index 513e6b20..a74e3931 100644
--- a/imap_l3_processing/cdf/config/imap_glows_l3a_global_cdf_attrs.yaml
+++ b/imap_l3_processing/cdf/config/imap_glows_l3a_global_cdf_attrs.yaml
@@ -4,4 +4,5 @@ imap_glows_l3a_hist:
   Logical_source_description: IMAP Mission GLOWS Instrument Light Curve
   MODS:
     - >-
-      Major version 2: Pad `spin_angle` dimension to 90.
\ No newline at end of file
+      Major version 2, Oct 8, 2026 - Pad `spin_angle` dimension to 90.
+      Use corrected SPICE kernels for spin axis and spin phase.
diff --git a/imap_l3_processing/cdf/config/imap_glows_l3e_global_cdf_attrs.yaml b/imap_l3_processing/cdf/config/imap_glows_l3e_global_cdf_attrs.yaml
index a09e103f..de8db032 100644
--- a/imap_l3_processing/cdf/config/imap_glows_l3e_global_cdf_attrs.yaml
+++ b/imap_l3_processing/cdf/config/imap_glows_l3e_global_cdf_attrs.yaml
@@ -1,9 +1,10 @@
 shared_mods: &MODS
   MODS:
     - >-
-      Major version 2: Add `epoch_delta`, `energy_delta_plus`, and `energy_delta_minus` to support plotting.
+      Major version 2, Oct. 8, 2026 - Add `epoch_delta`, `energy_delta_plus`, and `energy_delta_minus` to support plotting.
       Add quality flags for L3d data copied from a previous CR and the use of predicted ephemeris.
       Quality flags are propagated from the nearest two L3d data points.
+      Use corrected SPICE kernels for spin axis and spin phase.
 
 imap_glows_l3e_survival-probability-lo:
   Data_level: "3e"
diff --git a/imap_l3_processing/cdf/config/imap_swapi_l3a_global_cdf_attrs.yaml b/imap_l3_processing/cdf/config/imap_swapi_l3a_global_cdf_attrs.yaml
index 9a94797f..d961d6d9 100644
--- a/imap_l3_processing/cdf/config/imap_swapi_l3a_global_cdf_attrs.yaml
+++ b/imap_l3_processing/cdf/config/imap_swapi_l3a_global_cdf_attrs.yaml
@@ -21,6 +21,9 @@ imap_swapi_l3a_proton-sw:
       The proton parameters are obtained by fitting a Maxwellian distribution to
       the measured coincidence rates using forward modeling, fully accounting for
       the 3D instrument response and spacecraft spin.
+  MODS:
+    - >-
+      Major version 2, Oct. 8, 2026 - Use corrected SPICE kernels for spin axis and spin phase.
 
 imap_swapi_l3a_alpha-sw:
   <<: *instrument_base
@@ -34,6 +37,9 @@ imap_swapi_l3a_alpha-sw:
       coincidence rates using forward modeling, fully accounting for the 3D
       instrument response and spacecraft spin. The alpha-proton differential flow
       is constrained to be aligned with the magnetic field.
+  MODS:
+    - >-
+      Major version 2, Oct. 8, 2026 - Use corrected SPICE kernels for spin axis and spin phase.
 
 imap_swapi_l3a_pui-he:
   <<: *instrument_base
diff --git a/imap_l3_processing/cdf/config/imap_swe_l3_global_cdf_attrs.yaml b/imap_l3_processing/cdf/config/imap_swe_l3_global_cdf_attrs.yaml
index 28bb1070..bd1ae7c9 100644
--- a/imap_l3_processing/cdf/config/imap_swe_l3_global_cdf_attrs.yaml
+++ b/imap_l3_processing/cdf/config/imap_swe_l3_global_cdf_attrs.yaml
@@ -2,3 +2,6 @@ imap_swe_l3_sci:
   Data_level: "3"
   Data_type: L3_SCI>Level-3 Science data
   Logical_source_description: IMAP Mission SWE Instrument Level-3 Science Data
+  MODS:
+    - >-
+      Major version 2, Oct. 8, 2026 - Use corrected SPICE kernels for spin axis and spin phase.