diff --git a/ext/strscan/strscan.c b/ext/strscan/strscan.c
index 0d7cd96c8d..6f9516442b 100644
--- a/ext/strscan/strscan.c
+++ b/ext/strscan/strscan.c
@@ -2220,8 +2220,8 @@ named_captures_iter(const OnigUChar *name,
  * call-seq:
  *   named_captures -> hash
  *
- * Returns the array of captured match values at indexes (1..)
- * if the most recent match attempt succeeded, or nil otherwise;
+ * Returns a hash of named captures for the most recent regexp match,
+ * or an empty hash if there are no named captures;
  * see [Captured Match Values][13]:
  *
  * ```rb