Update Backbone, React plugin docs (#701)

Author: benvinegar

docs/integrations/backbone.rst

@@ -4,8 +4,7 @@ Backbone
 Installation
 ------------
 
-Start by adding the ``raven.js`` script tag to our page. You'll want to position it
-after you load all other external libraries (like jQuery), but before your code.
+Start by adding the ``raven.js`` script tag to your page. It should be loaded as early as possible.
 
 .. sourcecode:: html
 
@@ -14,11 +13,10 @@ after you load all other external libraries (like jQuery), but before your code.
 Configuring the Client
 ----------------------
 
-Now need to set up Raven.js to use your Sentry DSN:
+Next configure Raven.js to use your Sentry DSN:
 
 .. code-block:: javascript
 
     Raven.config('___PUBLIC_DSN___').install()
 
-At this point, Raven is ready to capture any uncaught exception via standard hooks
-in addition to Backbone specific hooks.
+At this point, Raven is ready to capture any uncaught exception.

docs/integrations/react.rst

@@ -4,8 +4,7 @@ React
 Installation
 ------------
 
-Start by adding the ``raven.js`` script tag to our page. You'll want to position it
-after you load all other external libraries (like jQuery), but before your code.
+Start by adding the ``raven.js`` script tag to your page. It should be loaded as early as possible.
 
 .. sourcecode:: html
 
@@ -14,7 +13,7 @@ after you load all other external libraries (like jQuery), but before your code.
 Configuring the Client
 ----------------------
 
-Now need to set up Raven.js to use your Sentry DSN:
+Next configure Raven.js to use your Sentry DSN:
 
 .. code-block:: javascript