diff --git a/shells/zsh/files/patch-ac b/shells/zsh/files/patch-ac
new file mode 100644
index 000000000000..20799ee09487
--- /dev/null
+++ b/shells/zsh/files/patch-ac
@@ -0,0 +1,13 @@
+--- Doc/zsh.texi.orig	Thu Dec 19 09:00:10 1996
++++ Doc/zsh.texi	Mon Jun 16 20:35:02 1997
+@@ -2,6 +2,10 @@
+ @c %**start of header
+ @setfilename zsh.info
+ @settitle    zsh
++@dircategory Shells
++@direntry
++* Zsh: (zsh).                   The Z shell.
++@end direntry
+ @c %**end of header
+ 
+ @setchapternewpage odd