diff --git a/snippets/node/index.js b/snippets/node/index.js
index 882873e..9dfacda 100644
--- a/snippets/node/index.js
+++ b/snippets/node/index.js
@@ -88,8 +88,8 @@ function assert (folder, args) {
       reason: 'name is not a string'
     },
     {
-      f:      () => (args.length === 0 || (/^[a-z]+$/iu).test (args[0])),
-      reason: 'name can only contain [a-z]'
+      f:      () => (args.length === 0 || (/^[a-z-]+$/iu).test (args[0])),
+      reason: 'name can only contain [a-z-]'
     },
     {
       f:      () => (typeof folder === 'string'),