diff --git a/roles/etcd/templates/etcd.env.j2 b/roles/etcd/templates/etcd.env.j2
index 3a0a5e573..046e95da9 100644
--- a/roles/etcd/templates/etcd.env.j2
+++ b/roles/etcd/templates/etcd.env.j2
@@ -1,3 +1,4 @@
+# Environment file for etcd {{ etcd_version }}
 ETCD_DATA_DIR={{ etcd_data_dir }}
 ETCD_ADVERTISE_CLIENT_URLS={{ etcd_client_url }}
 ETCD_INITIAL_ADVERTISE_PEER_URLS={{ etcd_peer_url }}