engine opts added

PROD-18192

Change-Id: I97a1339c5f71e0e2abcc348238e34f019362700a
diff --git a/README.rst b/README.rst
index cd3bbaa..312ad4d 100644
--- a/README.rst
+++ b/README.rst
@@ -30,6 +30,19 @@
           host: 10.10.10.208
           user: backupninja
 
+Backup client with ssh/rsync remote target with specific rsync options
+
+.. code-block:: yaml
+
+    backupninja:
+      client:
+        enabled: true
+        target:
+          engine: rsync
+          engine_opts: "-av --delete --recursive --safe-links"
+          host: 10.10.10.208
+          user: backupninja
+
 Backup client with s3 remote target
 
 .. code-block:: yaml