fix format

README.md

@@ -256,7 +256,7 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
     * [mongodb-labs/mongo-rust-driver-prototype](https://github.com/mongodb-labs/mongo-rust-driver-prototype) — [MongoDB](https://www.mongodb.org/) bindings [<img src="https://travis-ci.org/mongodb-labs/mongo-rust-driver-prototype.svg">](https://travis-ci.org/mongodb-labs/mongo-rust-driver-prototype)
   * Redis
     * [mitsuhiko/redis-rs](https://github.com/mitsuhiko/redis-rs) — [Redis](http://redis.io) library in Rust [<img src="https://travis-ci.org/mitsuhiko/redis-rs.svg?branch=master">](https://travis-ci.org/mitsuhiko/redis-rs)
-* SQL ((Crates)[https://crates.io/keywords/sql])
+* SQL ([Crates](https://crates.io/keywords/sql))
   * MySql
     * [blackbeam/rust-mysql-simple](https://github.com/blackbeam/rust-mysql-simple) — a native MySql client [<img src="https://travis-ci.org/blackbeam/rust-mysql-simple.svg?branch=master">](https://travis-ci.org/blackbeam/rust-mysql-simple)
  * ORM