[#7578] minor tweaks

Author: xabbuh

form/unit_testing.rst

@@ -196,11 +196,15 @@ allows you to return a list of extensions to register::
         // ... your tests
     }
 
-It is also possible to load custom form types, form type extensions or type guessers using the
-``getTypedExtensions``, ``getTypes`` and ``getTypeGuessers`` methods.
+It is also possible to load custom form types, form type extensions or type
+guessers using the :method:`Symfony\\Component\\Form\\Test\\FormIntegrationTestCase::getTypes`,
+`:method:`Symfony\\Component\\Form\\Test\\FormIntegrationTestCase::`getTypeExtensions`
+and :method:`Symfony\\Component\\Form\\Test\\FormIntegrationTestCase::getTypeGuessers`
+methods.
 
 .. versionadded:: 3.3
-    The ``getTypedExtensions``, ``getTypes`` and ``getTypeGuessers`` were introduced in Symfony 3.3.
+    The ``getTypes()``, ``getTypeExtensions()`` and ``getTypeGuessers()``
+    methods were introduced in Symfony 3.3.
 
 Testing against Different Sets of Data
 --------------------------------------