diff --git a/doc/cheat.txt b/doc/cheat.txt
index 348bcdd..41f49ea 100644
--- a/doc/cheat.txt
+++ b/doc/cheat.txt
@@ -622,6 +622,7 @@ scsh [meta-arg] [switch1 ...] [end-option arg1 ...]
 	    -ds				Do script.
 
     end-option:	-s <script>		Specifies script to load.
+		-s-			Script from standard input.
 		-c <expression>		Eval <expression> and exit.
     	    	--