[PHPUnitBridge] Fix versionadded notes

Author: Jean85

components/phpunit_bridge.rst

@@ -122,8 +122,8 @@ Disabling the Deprecation Helper
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. versionadded:: 3.1
-    The ability to disable the deprecation helper was introduced in Symfony
-    3.1.
+    The ability to disable the deprecation helper was introduced in the 3.1 
+    version of this component.
 
 Set the ``SYMFONY_DEPRECATIONS_HELPER`` environment variable to ``disabled`` to
 completely disable the deprecation helper. This is useful to make use of the
@@ -215,7 +215,8 @@ DNS-sensitive Tests
 -------------------
 
 .. versionadded:: 3.1
-    The mocks for DNS related functions were introduced in Symfony 3.1.
+    The ability to disable the deprecation helper was introduced in the 3.1 
+    version of this component.
 
 Tests that make network connections, for example to check the validity of a DNS
 record, can be slow to execute and unreliable due to the conditions of the