diff --git a/docs/buildsys/koji-cbs-sigs.md b/docs/buildsys/koji-cbs-sigs.md
index 29db277..408bcdb 100644
--- a/docs/buildsys/koji-cbs-sigs.md
+++ b/docs/buildsys/koji-cbs-sigs.md
@@ -252,7 +252,7 @@ for i in el8-build candidate testing release ; do koji edit-tag --arches="x86_64
 If some SIGs want to depend on external repo, like to get all -devel packages from CentOS Stream, we can also add it :
 
 ```
-externalrepo_name="centos8s-compose-latest"
+externalrepo_name="centos8s-buildroot"
 externalrepo_url="http://kojifiles.rdu2.centos.org/kojifiles/repos/dist-c8-stream-build/latest/\$arch"
 sig_tag="hyperscale8s-packages-experimental-el8-build"
 koji add-external-repo --mode=bare --tag ${sig_tag} ${externalrepo_name} ${externalrepo_url}
@@ -263,6 +263,8 @@ koji taginfo ${sig_tag}
 If external repo is already defined, we just need to add it to tags and no need to redefine it : 
 
 ```
-koji add-external-repo --tag=hyperscale8s-packages-main-el8-build centos8s-compose-latest
+sig_tag="hyperscale8s-packages-main-el8-build"
+externalrepo_name="centos8s-buildroot"
+koji add-external-repo --mode bare --tag=${sig_tag} ${externalrepo_name}
 ```