diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index eef7534..4198a6d 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -12859,7 +12859,11 @@ To avoid confusing macros from names that obeys scope and type rules.
 
 ##### Example
 
-    ???
+    void f()
+    {
+        const int SIZE{1000};  // Bad, use 'size' instead
+        int v[SIZE];
+    }
 
 ##### Note