diff --git a/clang/include/clang/Basic/DiagnosticGroups.td b/clang/include/clang/Basic/DiagnosticGroups.td
index e44e1407513748e734fccdb7e8e23d14f903bcf3..27752c6e31d1ab107fc47bc6fee9569146a46d36 100644
--- a/clang/include/clang/Basic/DiagnosticGroups.td
+++ b/clang/include/clang/Basic/DiagnosticGroups.td
@@ -485,7 +485,7 @@ def Pedantic : DiagGroup<"pedantic">;
 
 // Aliases.
 def : DiagGroup<"", [Extra]>;                   // -W = -Wextra
-def : DiagGroup<"endif-labels", [ExtraTokens]>; // -Wendif-labels=-Wendif-tokens
+def : DiagGroup<"endif-labels", [ExtraTokens]>; // -Wendif-labels=-Wextra-tokens
 def : DiagGroup<"comments", [Comment]>;         // -Wcomments = -Wcomment
 def : DiagGroup<"conversion-null",
                 [NullConversion]>; // -Wconversion-null = -Wnull-conversion