add link to issues

Author: mr-c

README.md

@@ -2,6 +2,8 @@ Hello!
 
 This repo represent the current working proposal for v1.1 of the Common Workflow Language standard.
 
+Proposed changes that aren't yet implemented are tracked at https://github.com/common-workflow-language/common-workflow-language/milestone/6
+
 You can render this using https://github.com/common-workflow-language/cwl-website/blob/master/website.sh
 
 The current rendering is at https://www.commonwl.org/v1.1.0-dev1/