diff --git a/clang/include/clang/AST/ExprObjC.h b/clang/include/clang/AST/ExprObjC.h
index 5f9623db2416..cd9381758618 100644
--- a/clang/include/clang/AST/ExprObjC.h
+++ b/clang/include/clang/AST/ExprObjC.h
@@ -90,7 +90,7 @@ public:
 /// ObjCBoxedExpr - used for generalized expression boxing.
 /// as in: @(strdup("hello world")), @(random()) or @(view.frame)
 /// Also used for boxing non-parenthesized numeric literals;
-/// as in: @42 or \@true (c++/objc++) or \@__yes (c/objc).
+/// as in: @42 or \@true (c++/objc++) or \@__objc_yes (c/objc).
 class ObjCBoxedExpr : public Expr {
   Stmt *SubExpr;
   ObjCMethodDecl *BoxingMethod;