diff --git a/platform/representation/src/TemplatePrefetcher.js b/platform/representation/src/TemplatePrefetcher.js
index 7dc05b052a..e15633694b 100644
--- a/platform/representation/src/TemplatePrefetcher.js
+++ b/platform/representation/src/TemplatePrefetcher.js
@@ -30,7 +30,7 @@ define(
          * @param {platform/representation.TemplateLinker} templateLinker
          *        the `templateLinker` service, used to load and cache
          *        template extensions
-         * @param {...{templateUrl: string}[]} extensions arrays
+         * @param {...Array.<{templateUrl: string}>} extensions arrays
          *        of template or template-like extensions
          */
         function TemplatePrefetcher(templateLinker, extensions) {