diff --git a/lisp/man.el b/lisp/man.el
index 551aad82346..5d405ad4ba2 100644
--- a/lisp/man.el
+++ b/lisp/man.el
@@ -354,7 +354,7 @@ This is necessary if one wants to dump man.el with emacs."
 	   "-e '/^[ \t]*Page[ \t][0-9]*.*(printed[ \t][0-9\\/]*)$/d'"
 	   "-e '/^Printed[ \t][0-9].*[0-9]$/d'"
 	   "-e '/^[ \t]*X[ \t]Version[ \t]1[01].*Release[ \t][0-9]/d'"
-	   "-e '/^[A-za-z].*Last[ \t]change:/d'"
+	   "-e '/^[A-Za-z].*Last[ \t]change:/d'"
 	   "-e '/^Sun[ \t]Release[ \t][0-9].*[0-9]$/d'"
 	   "-e '/[ \t]*Copyright [0-9]* UNIX System Laboratories, Inc.$/d'"
 	   "-e '/^[ \t]*Rev\\..*Page [0-9][0-9]*$/d'"