Some markup fixes

Author: wouterj

components/options_resolver.rst

@@ -328,7 +328,6 @@ method, which you can use if you want to add an allowed value to the previously
 configured allowed values.
 
 .. versionadded:: 2.5
-
     The callback support for allowed values was introduced in Symfony 2.5.
 
 If you need to add some more logic to the value validation process, you can pass a callable

cookbook/console/console_command.rst

@@ -174,8 +174,9 @@ you can extend your test from
 .. versionadded:: 2.5
     :class:`Symfony\\Bundle\\FrameworkBundle\\Test\\KernelTestCase` was
     extracted from :class:`Symfony\\Bundle\\FrameworkBundle\\Test\\WebTestCase`
-    in Symfony 2.5, where WebTestCase was made to inherit from KernelTestCase.
-    The difference being that WebTestCase makes available an instance of
-    :class:`Symfony\\Bundle\\FrameworkBundle\\Client` via `createClient()`,
-    while KernelTestCase makes available an instance of
-    :class:`Symfony\\Component\\HttpKernel\\KernelInterface` via `createKernel()`.
+    in Symfony 2.5. ``WebTestCase`` inherits from ``KernelTestCase``. The
+    ``WebTestCase`` creates an instance of
+    :class:`Symfony\\Bundle\\FrameworkBundle\\Client` via ``createClient()``,
+    while ``KernelTestCase`` creates an instance of
+    :class:`Symfony\\Component\\HttpKernel\\KernelInterface` via
+    ``createKernel()``.

reference/forms/types/collection.rst

@@ -341,7 +341,7 @@ delete_empty
 ~~~~~~~~~~~~
 
 .. versionadded:: 2.5
-    The delete_empty option was introduced in Symfony 2.5.
+    The ``delete_empty`` option was introduced in Symfony 2.5.
 
 **type**: ``Boolean`` **default**: ``false``