changed the FAQ link to point to the correct path

Author: IdiotCoffee

galleries/examples/README.txt

@@ -13,7 +13,7 @@ and source code.
 
 For longer tutorials, see our :ref:`tutorials page <tutorials>`.
 You can also find :ref:`external resources <resources-index>` and
-a :ref:`FAQ <faq-index>` in our :ref:`user guide <users-guide-index>`.
+a :ref:`FAQ <howto-faq>` in our :ref:`user guide <users-guide-index>`.
 
 
 .. admonition:: Tagging!