small fix

Signed-off-by: 11happy <[email protected]>

Author: 11happy

clang-tools-extra/docs/clang-tidy/checks/readability/ConditionalToStdMinMax.rst

@@ -23,7 +23,7 @@ After:
 
 .. code-block:: c++
 
-  int main(){
+  void foo(){
     a = std::max(a, b);
 
   }