diff --git a/update.sh b/update.sh
index 58e6e09..da237eb 100755
--- a/update.sh
+++ b/update.sh
@@ -50,6 +50,9 @@ echo "## Notes
 - These files are [gortr][3] compatible:
   - [export_dn42.json](export_dn42.json)
 
+Note the gortr file is DateTime stamped only, it is not signed with any certificaty. So you will need to add
+\`-verify=false\` as a runtime parameter when loading the cache file.
+
 ## [Last merge commit][0] at [dn42 registry][1]
 
 \`\`\`