diff --git a/source/basic.tex b/source/basic.tex
index 34f3deae72..12785c94a6 100644
--- a/source/basic.tex
+++ b/source/basic.tex
@@ -2028,6 +2028,23 @@
 the results of the unqualified search are
 the results of an unqualified search in the parent scope of $S$, if any,
 from $P$.
+\begin{example}
+\begin{codeblock}
+namespace A {
+  constexpr int i = 0;
+}
+namespace N {
+  namespace B {
+    constexpr int i = 1;
+  }
+  using namespace B;
+  namespace M {
+    using namespace A;
+    static_assert(i == 1);
+  }
+}
+\end{codeblock}
+\end{example}
 \begin{note}
 When a class scope is searched,
 the scopes of its base classes are also searched\iref{class.member.lookup}.