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-rw-r--r--doc/plugins/openid.mdwn3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/plugins/openid.mdwn b/doc/plugins/openid.mdwn
index 3fb4c26b8..f3b3abfbb 100644
--- a/doc/plugins/openid.mdwn
+++ b/doc/plugins/openid.mdwn
@@ -23,7 +23,8 @@ certian setups.
It defaults to the `cgiurl` (or `openid_cgiurl` if set); only allowing
ikiwiki's [[CGI]] to authenticate. If you have multiple ikiwiki instances,
or other things using openid on the same site, you may choose to put them
- all in the same realm to improve the user's openid experience.
+ all in the same realm to improve the user's openid experience. It is an
+ url pattern, so can be set to eg "http://*.example.com/"
* `openid_cgiurl` can be used to cause a different than usual `cgiurl`
to be used when doing openid authentication. The `openid_cgiurl` must