Refined the warning message for numbered-parameter like variables

[Bug #16438]

1 files changed, 1 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index 7247afafa3..05e2c1d552 100644
--- a/parse.y
+++ b/parse.y
@@ -11836,7 +11836,7 @@ static void
 numparam_name(struct parser_params *p, ID id)
 {
     if (!NUMPARAM_ID_P(id)) return;
-    rb_warn1("`_%d' is used as numbered parameter",
+    rb_warn1("`_%d' is reserved as numbered parameter",
 	     WARN_I(NUMPARAM_ID_TO_IDX(id)));
 }