Merge pull request #213 from gl2748/patch-1

Update globalinstall.rst re `FeatureContext` not found error/

doc/globalinstall.rst

@@ -94,7 +94,13 @@ Set up tests
 
   This will make your FeatureContext.php aware of both the Drupal Extension and
   the Mink Extension, so you'll be able to take advantage of their drivers and
-  step definitions and add your own custom step definitions here.
+  step definitions and add your own custom step definitions here. 
+  The FeatureContext.php file must be in the same directory as your behat.yml
+  file otherwise in step 5 you will get the following error:
+
+    [Behat\Behat\Context\Exception\ContextNotFoundException]
+    `FeatureContext` context class not found and can not be used. 
+
 
 5. To ensure everything is set up appropriately, type::