[#2941] Fixing some whitespace

Author: weaverryan

glossary.rst

@@ -13,13 +13,13 @@ Glossary
 
    Dependency Injection
         The Dependency Injection is a design pattern highly used in the Symfony2 Framework.
-        It encourages loosely coupled and more maintainable architecture of an application. 
-        The main principle of this pattern is that it allows developers to *inject* objects 
+        It encourages loosely coupled and more maintainable architecture of an application.
+        The main principle of this pattern is that it allows developers to *inject* objects
         (also known as services) in other objects, generally passing them as parameters.
-        Different levels of coupling between these objects can be established  
+        Different levels of coupling between these objects can be established
         depending on the method used to inject objects together.
-        The Dependency Injection pattern is the more often associated 
-        to another specific type of object: the :doc:`/book/service_container`
+        The Dependency Injection pattern is the more often associated
+        to another specific type of object: the :doc:`/book/service_container`.
 
    Project
         A *Project* is a directory composed of an Application, a set of