Languagelayer requires an API key (#1407)

README.md

@@ -228,7 +228,7 @@ API | Description | Auth | HTTPS | CORS |
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [Cloudmersive Validate](https://cloudmersive.com/validate-api) | Validate email addresses, phone numbers, VAT numbers and domain names | `apiKey` | Yes | Yes |
-| [languagelayer](https://languagelayer.com) | Language detection | No | Yes | Unknown |
+| [languagelayer](https://languagelayer.com) | Language detection | `apiKey` | Yes | Unknown |
 | [Lob.com](https://lob.com/) | US Address Verification | `apiKey` | Yes | Unknown |
 | [mailboxlayer](https://mailboxlayer.com) | Email address validation | No | Yes | Unknown |
 | [NumValidate](https://numvalidate.com) | Open Source phone number validation | No | Yes | Unknown |