1 files changed, 1 insertions, 1 deletions
diff --git a/set.c b/set.c
index 734a6ecaea..469078ee99 100644
--- a/set.c
+++ b/set.c
@@ -697,7 +697,7 @@ set_i_join(int argc, VALUE *argv, VALUE set)
  *  call-seq:
  *    add(obj) -> self
  *
- *  Adds the given object to the set and returns self.  Use `merge` to
+ *  Adds the given object to the set and returns self. Use Set#merge to
  *  add many elements at once.
  *
  *    Set[1, 2].add(3)                    #=> Set[1, 2, 3]