Merge pull request #22 from lsantosdemoura/patch-1

Removing some inconsistent words and fixing others

docs/backend_pool.md

@@ -2,15 +2,15 @@ Backend Pool
 ============
 
 The `BackendPool` is the component which locates and instantiates your _backend_
-classes. In orther to use it you should subclass it and set a `backend_type`.
+classes. In order to use it you should subclass it and set a `backend_type`.
 (see [the example](/#example))
 
 `BackendPool` class
 -------------------
 
 ### `get`
 
-Returns returns an instance of the backend which has the given `backend_id`
+Returns an instance of the backend which has the given `backend_id`
 
 #### arguments
 
@@ -25,7 +25,7 @@ type
 
 ### `get_class`
 
-Returns returns the class of the backend which has the given `backend_id`
+Returns the class of the backend which has the given `backend_id`
 
 #### arguments
 
@@ -43,5 +43,5 @@ pool's backend type
 
 ### `classes_iterator`
 
-Returns an interator of class of all backends configured with the
+Returns an iterator of class of all backends configured with the
 pool's backend type