Correct typo in browser support error message (#4306)

Author: creativecreatorormaybenot

packages/messaging/src/util/errors.ts

@@ -50,7 +50,7 @@ export const ERROR_MAP: ErrorMap<ErrorCode> = {
   [ErrorCode.PERMISSION_BLOCKED]:
     'The notification permission was not granted and blocked instead.',
   [ErrorCode.UNSUPPORTED_BROWSER]:
-    "This browser doesn't support the API's required to use the firebase SDK.",
+    "This browser doesn't support the API's required to use the Firebase SDK.",
   [ErrorCode.INDEXED_DB_UNSUPPORTED]:
     "This browser doesn't support indexedDb.open() (ex. Safari iFrame, Firefox Private Browsing, etc)",
   [ErrorCode.FAILED_DEFAULT_REGISTRATION]: