Merge "Add warning that LocalUsernamesToLowerCase doesn't convert 'username' external IDs"
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index 0108a04..4e43ca7 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -616,7 +616,10 @@
existing accounts this username is already in lower case. It is not
possible to convert the usernames of the existing accounts to lower
case because this would break the access to existing per-user
-branches.
+branches and Gerrit provides no tool to do such a conversion.
++
+Setting this parameter to `true` will prevent all users from login that
+have a non-lower-case username.
+
This parameter only affects git over http and git over SSH traffic.
+
diff --git a/Documentation/pgm-LocalUsernamesToLowerCase.txt b/Documentation/pgm-LocalUsernamesToLowerCase.txt
index 03aaabf..4b50961 100644
--- a/Documentation/pgm-LocalUsernamesToLowerCase.txt
+++ b/Documentation/pgm-LocalUsernamesToLowerCase.txt
@@ -14,7 +14,11 @@
== DESCRIPTION
Converts the local username for every account to lower case. The
local username is the username that is used to login into the Gerrit
-Web UI.
+Web UI. The local username is stored a external ID with scheme
+`gerrit`.
+
+[IMPORTANT]
+This program does not modify usernames in the `username` scheme.
This task is only intended to be run if the configuration parameter
link:config-gerrit.html#ldap.localUsernameToLowerCase[ldap.localUsernameToLowerCase]
