Fix typo

Author: jaimeperez

docs/ldap.md

@@ -100,7 +100,7 @@ You also need to update the `hostname` and `dnpattern` options. The
 `hostname` should be the hostname of your LDAP server, and the
 `dnpattern` should be a pattern which can be used to generate the `dn`
 of a user with a given username.
--
+
 All other options have default values, and are not required.
 
 ### Searching for a user ###