Merge pull request #13649 from mattroberts297/patch-1

Update playbooks_intro.rst

docsite/rst/playbooks_intro.rst

@@ -41,7 +41,7 @@ Each playbook is composed of one or more 'plays' in a list.
 
 The goal of a play is to map a group of hosts to some well defined roles, represented by
 things ansible calls tasks.  At a basic level, a task is nothing more than a call
-to an ansible module, which you should have learned about in earlier chapters.
+to an ansible module (see :doc:`Modules`).
 
 By composing a playbook of multiple 'plays', it is possible to
 orchestrate multi-machine deployments, running certain steps on all