On this page we have this statement
-----
15.11 Context Dependent Documentation
C-c C-x C-i in an Org file tries to open a suitable section of the Org info documentation
----

I believe that this should be C-c C-x I 
org-info-find-node

--
=====
Ian Garmaise
Consultant
Phorix Solutions Group
ian.g@phorixsol.com
Toronto cell: 416.432.2251
NYC: 917.512.9535

https://www.linkedin.com/in/igarmaise/

http://www.PhorixSol.com