symfony
diff --git a/‎book/internals.rst
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diff --git a/‎book/page_creation.rst
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diff --git a/‎components/form/form_events.rst
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@@ -10,8 +10,8 @@ Symfony2 internals.
 
 .. note::
 
-    You need to read this section only if you want to understand how Symfony2
-    works behind the scene, or if you want to extend Symfony2.
+    You only need to read this section if you want to understand how Symfony2
+    works behind the scenes, or if you want to extend Symfony2.
 
 Overview
 --------
 
@@ -81,7 +81,7 @@ greeted. To create the page, follow the simple two-step process.
     your webserver. The above URL assumes that ``localhost`` points to the
     ``web`` directory of your new Symfony2 project. For detailed information
     on this process, see the documentation on the web server you are using.
-    Here's the relevant documentation page for some web server you might be using:
+    Here are some relevant documentation pages for the web server you might be using:
 
     * For Apache HTTP Server, refer to `Apache's DirectoryIndex documentation`_
     * For Nginx, refer to `Nginx HttpCoreModule location documentation`_
 
@@ -14,7 +14,7 @@ Registering an event listener is very easy using the Form component.
 
 For example, if you wish to register a function to the
 ``FormEvents::PRE_SUBMIT`` event, the following code lets you add a field,
-depending on the request' values::
+depending on the request values::
 
     // ...
 
@@ -349,7 +349,7 @@ Event subscribers have different uses:
 
     class AddEmailFieldListener implements EventSubscriberInterface
     {
-        public function getSubscribedEvents()
+        public static function getSubscribedEvents()
         {
             return array(
                 FormEvents::PRE_SET_DATA => 'onPreSetData',