diff --git a/source.txt b/source.txt
index bf50ce8..b0d9c49 100644
--- a/source.txt
+++ b/source.txt
@@ -283,6 +283,9 @@ Table of Contents
              request can not be satisfied,
        * 401 for all requests that don't have a bearer token with
              sufficient permissions,
+       * 403 for all requests that either have insufficient scope, e.g. 
+             accessing a <module> for which no scope was obtained, or accessing
+             data outside the user's <storage_root>,
        * 404 for all DELETE and GET requests to documents that do not
              exist on the storage,
        * 304 for a conditional GET request whose pre-condition