Fix typo (SharePoint#6121)

Author: ganesh-sanap

docs/sp-add-ins/get-to-know-the-sharepoint-rest-service.md

@@ -91,7 +91,7 @@ The following table contains typical REST endpoint URL examples to get you start
 
 |                                    **Description**                                    |              **URL endpoint**               | **HTTP method** | **Body content** |
 | :------------------------------------------------------------------------------------ | :------------------------------------------ | :-------------- | :--------------- |
-| Retrieves the title of a list                                                         | `web/title`                                 | GET             | Not applicable   |
+| Retrieves the title of a site                                                         | `web/title`                                 | GET             | Not applicable   |
 | Retrieves all lists on a site                                                         | `lists`                                     | GET             | Not applicable   |
 | Retrieves a single list's metadata                                                    | `lists/getbytitle('listname')`              | GET             | Not applicable   |
 | Retrieves items within a list                                                         | `lists/getbytitle('listname')/items`        | GET             | Not applicable   |