Merge pull request rust-postgres#66 from slapresta/fix-connection-example-in-readme

Fix connection example in README

Author: sfackler

README.md

@@ -84,7 +84,7 @@ Unix domain sockets can be used as well. The `host` portion of the URI should be
 set to the absolute path to the directory containing the socket file. Since `/`
 is a reserved character in URLs, the path should be URL encoded.
 ```rust
-let conn = try!(PosgresConnection::connect("postgres://postgres@%2Frun%2Fpostgres", &NoSsl));
+let conn = try!(PostgresConnection::connect("postgres://postgres@%2Frun%2Fpostgres", &NoSsl));
 ```
 Paths which contain non-UTF8 characters can be handled in a different manner;
 see the documentation for details.