Fixes and improvements

locale/en.json

@@ -4,8 +4,8 @@
         "name": "English",
         "codes": [
             "en",
-            "en-US",
-            "en-GB"
+            "en-GB",
+            "en-US"
         ]
     },
     "commands": {
@@ -27,7 +27,7 @@
         "captcha_mistake": "Invalid answer. Remaining attempts: {remaining}.",
         "captcha_passed": "You have passed the captcha. Welcome!",
         "locale_set": "Group's language is now: {locale}",
-        "nothing": "This actions has already been finished.",
+        "nothing": "This action has already been finished.",
         "wrong_user": "This message is not for you."
     },
     "buttons": {