Fix documentation on hostfile vs inventory , follow up of #10130

docsite/rst/intro_configuration.rst

@@ -289,10 +289,7 @@ The valid values are either 'replace' (the default) or 'merge'.
 hostfile
 ========
 
-This is the default location of the inventory file, script, or directory that Ansible will use to determine what hosts it has available
-to talk to::
-
-    hostfile = /etc/ansible/hosts
+This is a deprecated setting since 1.9, please look at :ref:`inventory` for the new setting.
 
 .. _host_key_checking:
 
@@ -304,6 +301,18 @@ implications and wish to disable it, you may do so here by setting the value to
 
     host_key_checking=True
 
+.. _inventory:
+
+inventory
+=========
+
+This is the default location of the inventory file, script, or directory that Ansible will use to determine what hosts it has available
+to talk to::
+
+    inventory = /etc/ansible/hosts
+
+It used to be called hostfile in Ansible before 1.9
+
 .. _jinja2_extensions:
 
 jinja2_extensions