diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -8706,7 +8706,7 @@
     }
   }
 
-  // C++2a [class.eq]p1, [class.rel]p1:
+  // C++2a [class.eq]p1, [class.compare.secondary]p1:
   //   A [defaulted comparison other than <=>] shall have a declared return
   //   type bool.
   if (DCK != DefaultedComparisonKind::ThreeWay &&