Ordering Machine Learning section alphabetically

README.md

@@ -265,11 +265,11 @@ For information on contributing to this project, please see the [contributing gu
 
 | API | Description | Auth | HTTPS | Link |
 |---|---|---|---|---|
+| API.AI | Natural Language Processing | `apikey` | Yes | [Go!](https://api.ai/) |
 | Clarifai | Computer Vision | `OAuth` | Yes | [Go!](https://developer.clarifai.com/) |
 | Cleverbot | Web chat bot | `apikey` | Yes | [Go!](https://www.cleverbot.com/api/) |
 | Unplugg | Forecasting API for timeseries data | `apikey` | Yes | [Go!](https://unplu.gg/test_api.html) |
 | Wit.ai | Natural Language Processing | `OAuth` | Yes | [Go!](https://wit.ai/) |
-| api.ai | Natural Language Processing | `apikey` | Yes | [Go!](https://api.ai/) |
 
 ### Math