Fix tiny typo (rust-lang-nursery#601)

src/web/clients/api/rest-head.md

@@ -5,7 +5,7 @@
 Query the GitHub Users Endpoint using a HEAD
 request ([`Client::head`]) and then inspect the response code to determine
 success. This is a quick way to query a rest resource without needing to receive
-a body. [`reqwest::Client`] cofigured with [`ClientBuilder::timeout`] ensures
+a body. [`reqwest::Client`] configured with [`ClientBuilder::timeout`] ensures
 a request will not last longer than a timeout.
 
 Due to both [`ClientBuilder::build`] and [`ReqwestBuilder::send`] returning [`reqwest::Error`]
@@ -42,4 +42,4 @@ async fn main() -> Result<()> {
 [`RequestBuilder::send`]: https://docs.rs/reqwest/*/reqwest/struct.RequestBuilder.html#method.send
 [`reqwest::Client`]: https://docs.rs/reqwest/*/reqwest/struct.Client.html
 [`reqwest::Error`]: https://docs.rs/reqwest/*/reqwest/struct.Error.html
-[`reqwest::Result`]:https://docs.rs/reqwest/*/reqwest/type.Result.html
+[`reqwest::Result`]:https://docs.rs/reqwest/*/reqwest/type.Result.html