diff --git a/gcc/text-art/types.h b/gcc/text-art/types.h
index 2b9f8b387c71997f6f611fcffd697a9ee663d4ab..c741f77c25fa59b281dd282616269f3828f6668d 100644
--- a/gcc/text-art/types.h
+++ b/gcc/text-art/types.h
@@ -23,7 +23,7 @@ along with GCC; see the file COPYING3.  If not see
 
 /* This header uses std::vector, but <vector> can't be directly
    included due to issues with macros.  Hence it must be included from
-   system.h by defining INCLUDE_MEMORY in any source file using it.  */
+   system.h by defining INCLUDE_VECTOR in any source file using it.  */
 
 #ifndef INCLUDE_VECTOR
 # error "You must define INCLUDE_VECTOR before including system.h to use text-art/types.h"