Allow to auth to private repos while mirroring

PROD-37075

Change-Id: I0cd3be6b0a369d251f6ad4c6cd158cccddaff58c
diff --git a/README.rst b/README.rst
index 753640f..4b98bfc 100644
--- a/README.rst
+++ b/README.rst
@@ -73,7 +73,7 @@
           - name: custom-repo-1
           - name: custom-repo-2
 
-Reclass with GIT over HTTP server setup. Requires web server. Mirrored upsream repos example.
+Reclass with GIT over HTTP server setup. Requires web server. Mirrored upstream repos example.
 
 .. code-block:: yaml
 
@@ -85,6 +85,8 @@
             url: https://github.com/openstack-infra/gerritlib.git
           - name: jeepyb
             url: https://github.com/openstack-infra/jeepyb.git
+            https_user: username
+            https_pass: password
 
 
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