palettes/style meta inconsistency

src/i18n/en.json

@@ -750,6 +750,7 @@
     "more_settings": "More settings",
     "style": {
       "custom_theme_used": "(Custom theme)",
+      "custom_style_used": "(Custom style)",
       "stock_theme_used": "(Stock theme)",
       "themes2_outdated": "Editor for Themes V2 is being phased out and will eventually be replaced with a new one that takes advantage of new Themes V3 engine. It should still work but experience might be degraded and inconsistent.",
       "appearance_tab_note": "Changes on this tab do not affect the theme used, so exported theme will be different from what seen in the UI",
@@ -775,7 +776,8 @@
           "v2_unsupported": "Older v2 themes don't support palettes. Switch to v3 theme to make use of palettes",
           "bundled": "Bundled palettes",
           "style": "Palettes provided by selected style",
-          "user": "Custom palette"
+          "user": "Custom palette",
+          "imported": "Imported"
         },
         "editor": {
           "title": "Style",