Reapplying one fix from 680 after a slightly bad merge

Author: Andrew Pardoe

CppCoreGuidelines.md

@@ -3338,7 +3338,7 @@ There is not a choice when a set of functions are used to do a semantically equi
 ##### See also
 
 
-[Default arguments for virtual functions](#Rf-virtual-default-arg}
+[Default arguments for virtual functions](#Rh-virtual-default-arg}
 
 ##### Enforcement