diff --git a/src/lang/en.json b/src/lang/en.json
index fb892dea..e215f103 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -721,6 +721,7 @@
"Icon Emoji": "Icon Emoji",
"signalImportant": "IMPORTANT: You cannot mix groups and numbers in recipients!",
"aboutWebhooks": "More info about Webhooks on: {0}",
+ "aboutSlackUsername": "Changes the display name of the message sender. If you want to mention someone, include it in the friendly name instead.",
"aboutChannelName": "Enter the channel name on {0} Channel Name field if you want to bypass the Webhook channel. Ex: #other-channel",
"aboutKumaURL": "If you leave the Uptime Kuma URL field blank, it will default to the Project GitHub page.",
"smtpDkimSettings": "DKIM Settings",