diff --git a/doc/setup.texi b/doc/setup.texi
index f04b229cb..d56ec0fe8 100644
--- a/doc/setup.texi
+++ b/doc/setup.texi
@@ -901,7 +901,7 @@ access to *
         by dn.exact="uid=heimdal,dc=services,dc=example,dc=com" write
         ...
 
-sasl-regexp "uidNumber=0\\\+gidNumber=.*,cn=peercred,cn=external,cn=auth"
+sasl-regexp "gidNumber=.*\\\+uidNumber=0,cn=peercred,cn=external,cn=auth''
 	"uid=heimdal,dc=services,dc=example,dc=com"
 
 @end example