grammar fixes for model-utils index and getModel

Author: Josh Callender

_model-utils/getModel.md

@@ -3,7 +3,7 @@ header: getModel
 example: ModelUtils.getModel(path, [attributes], [options], [callback])
 ---
 
-Factory method for models, given the models path this will return an instance of that model.  Sets the given `attributes` and `options` on the model. 
+Factory method for models.  Given the models path this will return an instance of that model.  Sets the given `attributes` and `options` on the model. 
 
 **attributes** _optional_ The attributes for the [constructor](/model#constructor).
 

model-utils/index.md

@@ -5,6 +5,6 @@ title: "Model Utils - RendrJS"
 
 # Model Utils
 
-This class gives utility functions for models and collections.  Some functionality includes; an `instanceof` wrappers, factory methods, and getters for constructors based on the name.  The ModelUtils class is initialized in the [app initialization](/app#constructor) process, and is attached to the [app](/app) object.
+This class provides utility functions for models and collections, including: an `instanceof` wrappers, factory methods, and getters for constructors based on the name.  The ModelUtils class is initialized in the [app initialization](/app#constructor) process, and is attached to the [app](/app) object.
 
 {% include pageDoc.html name="model-utils" %}