diff --git a/plugins/dynamix/CacheDevices.page b/plugins/dynamix/CacheDevices.page
index 513e33242..31942b1b3 100644
--- a/plugins/dynamix/CacheDevices.page
+++ b/plugins/dynamix/CacheDevices.page
@@ -43,7 +43,7 @@ function validate(poolname) {
     swal({title:'_(Invalid pool name)_',text:'_(Pool name already exists)_',type:'error',confirmButtonText:'_(Ok)_'});
     return false;
   } else if (!valid.test(poolname)) {
-    swal({title:'_(Invalid pool name)_',text:'_(Use lowercase characters with no trailing digits)_',type:'error',confirmButtonText:'_(Ok)_'});
+    swal({title:'_(Invalid pool name)_',text:'_(Use only lowercase with no special characters or leading/trailing digits)_',type:'error',confirmButtonText:'_(Ok)_'});
     return false;
   } else {
     return true;