diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index ee04a0c..3fb593a 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -6721,7 +6721,7 @@ The importance of keeping the two kinds of inheritance increases
         virtual void redraw();
 
         // ...
-    public:
+    private:
         Point cent;
         Color col;
     };