added a few more things

app/javascript/mastodon/locales/defaultMessages.json

@@ -1293,6 +1293,19 @@
     ],
     "path": "app/javascript/mastodon/features/ui/components/boost_modal.json"
   },
+  {
+    "descriptors": [
+      {
+        "defaultMessage": "Favourite",
+        "id": "status.favourite"
+      },
+      {
+        "defaultMessage": "You can press {combo} to skip this next time",
+        "id": "favourite_modal.combo"
+      }
+    ],
+    "path": "app/javascript/mastodon/features/ui/components/favourite_modal.json"
+  },
   {
     "descriptors": [
       {
@@ -1601,4 +1614,4 @@
     ],
     "path": "app/javascript/mastodon/features/video/index.json"
   }
-]
+]

app/javascript/mastodon/locales/en.json

@@ -25,6 +25,7 @@
   "account.unmute_notifications": "Unmute notifications from @{name}",
   "account.view_full_profile": "View full profile",
   "boost_modal.combo": "You can press {combo} to skip this next time",
+  "favourite_modal.combo": "You can press {combo} to skip this next time",
   "bundle_column_error.body": "Something went wrong while loading this component.",
   "bundle_column_error.retry": "Try again",
   "bundle_column_error.title": "Network error",
@@ -109,6 +110,7 @@
   "home.settings": "Column settings",
   "keyboard_shortcuts.back": "to navigate back",
   "keyboard_shortcuts.boost": "to boost",
+  "keyboard_shortcuts.favourite": "to favourite",
   "keyboard_shortcuts.column": "to focus a status in one of the columns",
   "keyboard_shortcuts.compose": "to focus the compose textarea",
   "keyboard_shortcuts.description": "Description",