doc: mention smart gathering for facts caching

a88e928b · René Moser · 641c6a28 · a88e928b
Commit a88e928b authored Dec 25, 2014 by René Moser
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docsite/rst/playbooks_variables.rst
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--- a/docsite/rst/playbooks_variables.rst
+++ b/docsite/rst/playbooks_variables.rst
@@ -791,6 +791,7 @@ the fact that they have not been communicated with in the current execution of /
 To configure fact caching, enable it in ansible.cfg as follows::

    [defaults]
+    gathering = smart
    fact_caching = redis
    fact_caching_timeout = 86400
    # seconds