fix linux_distrib_codename to linux_system_codename
diff --git a/linux/system/repo-local/salt_formulas.yml b/linux/system/repo-local/salt_formulas.yml
index 8f6706a..c52599a 100644
--- a/linux/system/repo-local/salt_formulas.yml
+++ b/linux/system/repo-local/salt_formulas.yml
@@ -4,5 +4,5 @@
       repo:
         salt_formulas:
           refresh_db: ${_param:linux_repo_refresh_db}
-          source: "deb [arch=amd64] http://${_param:local_repo_url}/${_param:linux_distrib_codename}/ nightly tcp-salt"
+          source: "deb [arch=amd64] http://${_param:local_repo_url}/${_param:linux_system_codename}/ nightly tcp-salt"
           architectures: amd64