Merge pull request #50 from salt-formulas/doc/update-readme-tursted-ca-minions

Update readme trusted_ca_minions
diff --git a/README.rst b/README.rst
index ee93fcf..556c54e 100644
--- a/README.rst
+++ b/README.rst
@@ -326,6 +326,14 @@
 .. literalinclude:: tests/pillar/minion_pki_cert.sls
    :language: yaml
 
+Salt minion trust CA certificates issued by salt CA on a specific host (ie: salt-master node)
+
+.. code-block:: yaml
+
+  salt:
+    minion:
+      trusted_ca_minions:
+        - cfg01
 
 Salt control (cloud/kvm/docker)
 -------------------------------