docs: use relative paths

Author: kenjis

user_guide_src/source/general/helpers.rst

@@ -20,8 +20,8 @@ functions.
 
 CodeIgniter does not load Helper Files by default, so the first step in
 using a Helper is to load it. Once loaded, it becomes globally available
-in your :doc:`controller </incoming/controllers>` and
-:doc:`views </outgoing/views>`.
+in your :doc:`controller <../incoming/controllers>` and
+:doc:`views <../outgoing/views>`.
 
 Helpers are typically stored in your **system/Helpers**, or
 **app/Helpers** directory. CodeIgniter will look first in your
@@ -144,5 +144,5 @@ is as follows:
 Now What?
 =========
 
-In the Table of Contents, you'll find a list of all the available :doc:`Helpers </helpers/index>`.
+In the Table of Contents, you'll find a list of all the available :doc:`Helpers <../helpers/index>`.
 Browse each one to see what they do.