diff --git a/hash.c b/hash.c
index 720efd83e6..3aff655a94 100644
--- a/hash.c
+++ b/hash.c
@@ -3791,7 +3791,7 @@ rb_hash_equal(VALUE hash1, VALUE hash2)
* Returns +true+ if all of the following are true:
* * +object+ is a \Hash object.
* * +hash+ and +object+ have the same keys (regardless of order).
- * * For each key +key+, h[key] eql? object[key].
+ * * For each key +key+, h[key].eql?(object[key]).
*
* Otherwise, returns +false+.
*