diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el
index be0697675b0..847dd4f3fab 100644
--- a/lisp/progmodes/sh-script.el
+++ b/lisp/progmodes/sh-script.el
@@ -249,7 +249,7 @@ csh		C Shell
 rc		Plan 9 Shell
   es		Extensible Shell
 sh		Bourne Shell
-  ash		? Shell
+  ash		Almquist Shell
   jsh		Bourne Shell with Job Control
     bash	GNU Bourne Again Shell
     ksh88	Korn Shell '88