diff --git a/extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/ConfigurationService.java b/extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/ConfigurationService.java
index 2131797a2..eec032485 100644
--- a/extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/ConfigurationService.java
+++ b/extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/ConfigurationService.java
@@ -275,12 +275,12 @@ public class ConfigurationService {
     /**
      * Returns the search filter that should be used when querying the
      * LDAP server for Guacamole users.  If no filter is specified,
-     * a default of objectClass=* is returned.
+     * a default of "(objectClass=*)" is returned.
      *
      * @return
      *     The search filter that should be used when querying the
      *     LDAP server for users that are valid in Guacamole, or
-     *     objectClass=* if not specified.
+     *     "(objectClass=*)" if not specified.
      *
      * @throws GuacamoleException
      *     If guacamole.properties cannot be parsed.