Merge pull request brianc#747 from vitaly-t/master

Correcting the library description

Author: brianc

README.md

@@ -143,7 +143,7 @@ node-postgres is by design pretty light on abstractions.  These are some handy m
 - [datalanche/node-pg-format](https://github.com/datalanche/node-pg-format) - Safely and easily create dynamic SQL queries with this Node implementation of [PostgreSQL format()](http://www.postgresql.org/docs/9.3/static/functions-string.html#FUNCTIONS-STRING-FORMAT).
 - [iceddev/pg-transact](https://github.com/iceddev/pg-transact) - A nicer API on node-postgres transactions
 - [sehrope/node-pg-db](https://github.com/sehrope/node-pg-db) - Simpler interface, named parameter support, transaction management and event hooks.
-- [vitaly-t/pg-promise](https://github.com/vitaly-t/pg-promise) - Use node-postgres entirely via [Promise](https://github.com/then/promise).
+- [vitaly-t/pg-promise](https://github.com/vitaly-t/pg-promise) - Use node-postgres via [Promises/A+](https://promisesaplus.com/).
 
 ## License