fix typo in 'Regulations.gov' (#709)

README.md

@@ -422,7 +422,7 @@ API | Description | Auth | HTTPS | CORS | Link |
 | Open Government, Taiwan | Taiwan Government Open Data | No | Yes | Unknown | [Go!](https://data.gov.tw/) |
 | Open Government, USA | United States Government Open Data | No | Yes | Unknown | [Go!](https://www.data.gov/) |
 | Prague Opendata | Prague City Open Data | No | No | Unknown | [Go!](http://opendata.praha.eu/en) |
-| Regulations.gov | Federal regulatory materialsto increase understanding of the Federal rule making process | `apiKey` | Yes | Unknown | [Go!](https://regulationsgov.github.io/developers/) |
+| Regulations.gov | Federal regulatory materials to increase understanding of the Federal rule making process | `apiKey` | Yes | Unknown | [Go!](https://regulationsgov.github.io/developers/) |
 | Represent by Open North | Find Canadian Government Representatives | No | Yes | Unknown | [Go!](https://represent.opennorth.ca/) |
 | USAspending.gov | US federal spending data | No | Yes | Unknown | [Go!](https://api.usaspending.gov/) |