diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 061ebde..56e48f1 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -1,16 +1,14 @@
-If you would like to contribute to the development of OpenStack,
-you must follow the steps in this page:
+The source repository for this project can be found at:
 
-   http://docs.openstack.org/infra/manual/developers.html
+   https://opendev.org/openstack/mistral-specs
 
-Once those steps have been completed, changes to OpenStack
-should be submitted for review via the Gerrit tool, following
-the workflow documented at:
+Pull requests submitted through GitHub are not monitored.
 
-   http://docs.openstack.org/infra/manual/developers.html#development-workflow
+To start contributing to OpenStack, follow the steps in the contribution guide
+to set up and use Gerrit:
 
-Pull requests submitted through GitHub will be ignored.
+   https://docs.openstack.org/contributors/code-and-documentation/quick-start.html
 
-Bugs should be filed on Launchpad, not GitHub:
-
-   https://bugs.launchpad.net/mistral
\ No newline at end of file
+This repository is for doing design review on feature proposal in Heat.
+Please refer to `this document <https://opendev.org/openstack/mistral-specs/src/branch/master/README.rst>`_
+for more information.