diff --git a/lib/statsd.js b/lib/statsd.js
index cf4da37..d510301 100644
--- a/lib/statsd.js
+++ b/lib/statsd.js
@@ -69,7 +69,7 @@ const Client = function (host, port, prefix, suffix, globalize, cacheDns, mock,
   this.tagSeparator = this.telegraf ? ',' : options.tagSeparator || ',';
   this.mock        = options.mock;
   /**
-   * this is always an array.
+   * this is always an array. It's always populated.
    */
   this.globalTags  = typeof options.globalTags === 'object' ?
       helpers.formatTags(options.globalTags, options.telegraf) : [];