show.md in debug_helper-2.0.0

- old
+ new

@@ -14,10 +14,10 @@
 
 ```show.yaml```:
 ```yaml
 ---
 IO (message='My simple io'):
-  autoclose?: true
-  binmode?: false
-  closed?: false
-  tty?: false
+  IO#autoclose?: true
+  IO#binmode?: false
+  IO#closed?: false
+  IO#tty?: false
 ```