diff --git a/docker-compose.yml b/docker-compose.yml
index 1ded66e..d6a9cd2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,6 +9,7 @@ services:
       REGISTRY_AUTH: htpasswd
       REGISTRY_AUTH_HTPASSWD_REALM: "Registry Realm"
       REGISTRY_AUTH_HTPASSWD_PATH: /auth/htpasswd
+      # Ensure this certificate is a chain if its coming from a legit CA
       REGISTRY_HTTP_TLS_CERTIFICATE: /certs/${SSL_DOMAIN_DIR}/${SSL_CERT_FILE}
       REGISTRY_HTTP_TLS_KEY: /certs/${SSL_DOMAIN_DIR}/${SSL_KEY_FILE}
       REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY: /var/lib/registry