AETHER-3323 update roc design notes

Change-Id: I9e0e4017e960b9e193cf000226fd5d16994bdd6f
diff --git a/developer/roc.rst b/developer/roc.rst
index fb9f93b..fc2b282 100644
--- a/developer/roc.rst
+++ b/developer/roc.rst
@@ -1,5 +1,7 @@
 .. vim: syntax=rst
 
+.. _roc-developer-guide:
+
 Aether ROC Developer Guide
 ==========================