1 files changed, 4 insertions, 1 deletions
diff --git a/vm_eval.c b/vm_eval.c
index 9806762d96..7a8fffedb9 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -792,10 +792,13 @@ loop_i(void)
 
 /*
  *  call-seq:
- *     loop {|| block }
+ *     loop { block }
+ *     loop            -> an_enumerator
  *
  *  Repeatedly executes the block.
  *
+ *  If no block is given, an enumerator is returned instead.
+ *
  *     loop do
  *       print "Input: "
  *       line = gets