diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index 463e595a4814dd5649ade2a1ac5421a42211bb8e..5af574db22601addebb05e4677f9af954a66f1b4 100644
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -439,7 +439,7 @@ c_lex_with_flags (tree *value, location_t *loc, unsigned char *cpp_flags,
       gcc_unreachable ();
 
     /* CPP_COMMENT will appear when compiling with -C and should be
-       ignored. */
+       ignored.  */
      case CPP_COMMENT:
        goto retry;