remove versionadded from book and fix words

ghostika · ghostika · commit 6cba1922f540 · 2014-01-11T20:52:16.000+01:00
diff --git a/book/security.rst b/book/security.rst
@@ -151,10 +151,6 @@ that looks like the following:
 Let's look briefly at how security works and how each part of the configuration
 comes into play.
 
-.. versionadded:: 2.4
-    Support for restricting security firewalls to a specific host was added in
-    Symfony 2.4.
-
 How Security Works: Authentication and Authorization
 ----------------------------------------------------
 
diff --git a/cookbook/security/host_restriction.rst b/cookbook/security/host_restriction.rst
@@ -5,7 +5,7 @@ How to Restrict Firewalls to a Specific Host
 ============================================
 
 .. versionadded:: 2.4
-    Support for restricting security firewalls to a specific host was added in
+    Support for restricting security firewalls to a specific host was introduced in
     Symfony 2.4.
 
 When using the Security component, you can create firewalls that match certain
diff --git a/reference/configuration/security.rst b/reference/configuration/security.rst
@@ -14,7 +14,7 @@ The following is the full default configuration for the security system.
 Each part will be explained in the next section.
 
 .. versionadded:: 2.4
-    Support for restricting security firewalls to a specific host was added in
+    Support for restricting security firewalls to a specific host was introduced in
     Symfony 2.4.
 
 .. configuration-block::
@@ -102,7 +102,7 @@ Each part will be explained in the next section.
                 # Examples:
                 somename:
                     pattern: .*
-                    # restrict the firewall for a specific host
+                    # restrict the firewall to a specific host
                     host: admin\.example\.com
                     request_matcher: some.service.id
                     access_denied_url: /foo/error403
