Applied some suggestions

components/console/changing_default_behavior.rst

@@ -5,21 +5,20 @@ Changing the Default Behavior
 =============================
 
 When building a command line tool, you may need to customize it to fit your needs.
-Probably you want to change the Default Command that the Application runs or
-maybe you just want to run a Single Command instead of have to pass the command
-name each time. Fortunately it is possible to do both.
+Probably you want to change the default command that the Application runs or
+maybe you just want to run a single command instead of have to pass the command
+name each time. Fortunately, it is possible to do both.
 
 Changing the Default Command
 ----------------------------
 
 .. versionadded:: 2.5,
-The :method:`Symfony\\Component\\Console\\Application::setDefaultCommand`
-    method was introduced in version 2.5
+    The :method:`Symfony\\Component\\Console\\Application::setDefaultCommand`
+    method was introduced in version 2.5.
 
 By default the Application will always run the ListCommand. In order to change
 the default command you just need to pass the command name you want to run by
-default to the :method:`Symfony\\Component\\Console\\Application::setDefaultCommand`
-method::
+default to the ``setDefaultCommand`` method::
 
     #!/usr/bin/env php
     <?php
@@ -103,10 +102,10 @@ it is possible to remove this need by extending the application::
         }
     }
 
-When calling your console script, the command ``MyCommand`` will then always
+When calling your console script, the ``MyCommand`` command will then always
 be used, without having to pass its name.
 
-You can also simplify how you execute the application::
+Executing the application can also be simplified::
 
     #!/usr/bin/env php
     <?php