1 files changed, 2 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 2eb049184c..770564126b 100644
--- a/gc.c
+++ b/gc.c
@@ -6574,7 +6574,8 @@ Init_stack(volatile VALUE *addr)
 /*
  *  call-seq:
  *     GC.start                     -> nil
- *     GC.garbage_collect           -> nil
+ *     ObjectSpace.garbage_collect  -> nil
+ *     include GC; garbage_collect  -> nil
  *     GC.start(full_mark: true, immediate_sweep: true)           -> nil
  *     ObjectSpace.garbage_collect(full_mark: true, immediate_sweep: true) -> nil
  *     include GC; garbage_collect(full_mark: true, immediate_sweep: true) -> nil