diff --git a/i18n/en.json b/i18n/en.json
index dac4f5e1d6..bf93e5b1c9 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -796,7 +796,7 @@
   },
   {
     "id": "api.command_join.hint",
-    "translation": "[channel-name]"
+    "translation": "~[channel]"
   },
   {
     "id": "api.command_join.list.app_error",
@@ -904,11 +904,11 @@
   },
   {
     "id": "api.command_mute.error",
-    "translation": "Could not find the channel {{.Channel}}."
+    "translation": "Could not find the channel {{.Channel}}. Please use the [channel handle](https://about.mattermost.com/default-channel-handle-documentation) to identify channels."
   },
   {
     "id": "api.command_mute.hint",
-    "translation": "[channel]"
+    "translation": "~[channel]"
   },
   {
     "id": "api.command_mute.name",