Simplify error wording further

locales/en/app.json

@@ -77,10 +77,10 @@
     "call_not_found": "Call not found",
     "call_not_found_description": "<0>That link doesn't appear to belong to any existing call. Check that you have the right link, or <1>create a new one</1>.</0>",
     "connection_failed": "Connection failed",
-    "connection_failed_description": "Could not connect to the call server. Check your network connection or try again later.",
+    "connection_failed_description": "Could not connect to the call. Check your network connection or try again later.",
     "connection_lost": "Connection lost",
     "connection_lost_description": "You were disconnected from the call.",
-    "connection_rejected_description": "Could not connect to the call server. Try again later or contact your server admin if this persists.",
+    "connection_rejected_description": "Could not connect to the call. Try again later or contact your server admin if this persists.",
     "e2ee_unsupported": "Incompatible browser",
     "e2ee_unsupported_description": "Your web browser does not support encrypted calls. Supported browsers include Chrome, Safari, and Firefox 117+.",
     "generic": "Something went wrong",