Update README.md

Remove outdated information about pg.js

README.md

@@ -4,7 +4,6 @@
 
 Receive result rows from [pg](https://github.com/brianc/node-postgres) as a readable (object) stream.
 
-This module __only works with the pure JavaScript client__.
 
 ## installation
 
@@ -15,14 +14,6 @@ $ npm install pg-query-stream
 
 _requires pg>=2.8.1_
 
-##### - or -
-
-```bash
-$ npm install pg.js
-$ npm install pg-query-stream
-```
-
-_requires pg.js>=2.8.1_
 
 ## use
 
@@ -46,6 +37,8 @@ The stream uses a cursor on the server so it efficiently keeps only a low number
 
 This is especially useful when doing [ETL](http://en.wikipedia.org/wiki/Extract,_transform,_load) on a huge table.  Using manual `limit` and `offset` queries to fake out async itteration through your data is cumbersom, and _way way way_ slower than using a cursor.
 
+_note: this module only works with the JavaScript client, and does not work with the native bindings. libpq doesn't expose the protocol at a level where a cursor can be manipulated directly_
+
 ## contribution
 
 I'm very open to contribution!  Open a pull request with your code or idea and we'll talk about it.  If it's not way insane we'll merge it in too: isn't open source awesome?