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-rw-r--r--doc/user/profile/account/two_factor_authentication.md8
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/user/profile/account/two_factor_authentication.md b/doc/user/profile/account/two_factor_authentication.md
index 0f959b956a5..df33d54cc26 100644
--- a/doc/user/profile/account/two_factor_authentication.md
+++ b/doc/user/profile/account/two_factor_authentication.md
@@ -207,8 +207,12 @@ after the administrator disables it.
## Note to GitLab administrators
-You need to take special care to that 2FA keeps working after
-[restoring a GitLab backup](../../../raketasks/backup_restore.md).
+- You need to take special care to that 2FA keeps working after
+[restoring a GitLab backup](../raketasks/backup_restore.md).
+
+- To ensure 2FA authorizes correctly with TOTP server, you may want to ensure
+your GitLab server's time is synchronized via a service like NTP. Otherwise,
+you may have cases where authorization always fails because of time differences.
[Google Authenticator]: https://support.google.com/accounts/answer/1066447?hl=en
[FreeOTP]: https://fedorahosted.org/freeotp/