diff --git a/sh/stfu b/sh/stfu
index f08d9b2..fa03c11 100644
--- a/sh/stfu
+++ b/sh/stfu
@@ -1,5 +1,8 @@
 #!/usr/bin/env sh
 # YES_ZSH
+# YES_BASH
+# YES_DASH
+# YES_ASH
 
 stfu() { ### @-
     ### invoke a command, silencing stdout and stderr *unless* the command fails.