Indefinite article

Don't want to represent that their API is *exactly* the same.

Author: chadwhitacre

postgres/__init__.py

@@ -20,7 +20,7 @@
 See Also
 --------
 
-The `sql`_ library provides the run / one / all API for any DB API 2.0 driver.
+The `sql`_ library provides a run / one / all API for any DB API 2.0 driver.
 
 
 Tutorial