diff --git a/docs/buildsys/koji-cbs-sigs.md b/docs/buildsys/koji-cbs-sigs.md
index e170e21..f807d8b 100644
--- a/docs/buildsys/koji-cbs-sigs.md
+++ b/docs/buildsys/koji-cbs-sigs.md
@@ -293,3 +293,10 @@ externalrepo_name="epel8"
 koji add-external-repo --mode bare --tag=${sig_tag} ${externalrepo_name}
 ```
 
+We can also modify the rpm dist tag through rpm macro that will be added to the specific tag :
+
+```
+tag="automotive9s-packages-experimental-el9s-build"
+cbs edit-tag ${tag} --extra rpm.macro.dist='.el9iv'
+# confirm with `cbs taginfo $tag`
+```