diff --git a/src/nginxconfig.ejs b/src/nginxconfig.ejs
index 8ae41b885..e2f874107 100644
--- a/src/nginxconfig.ejs
+++ b/src/nginxconfig.ejs
@@ -178,7 +178,7 @@ server {
 <% } else if ( endpoint === 'app' ) { %>
         proxy_pass http://<%= ip %>:<%= port %>;
 <% } else if ( endpoint === 'external' ) { %>
-        # without a variable, nginx will not start if upstream is down or
+        # without a variable, nginx will not start if upstream is down or unavailable
         resolver 127.0.0.53 valid=30s;
         set $upstream <%= upstreamUri %>;
         proxy_ssl_verify off;