Update c26817.md

fix link

Author: jogo-

docs/code-quality/c26817.md

@@ -10,7 +10,7 @@ helpviewer_keywords: ["C26817"]
 
 > Potentially expensive copy of variable *name* in range-for loop. Consider making it a const reference (es.71).
 
-For more information, see [ES.71 notes](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#note-217) in the C++ Core Guidelines.
+For more information, see [ES.71 notes](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#note-214) in the C++ Core Guidelines.
 
 ## Example