diff --git a/gatsby-config.js b/gatsby-config.js
index 10b81067..1971f66c 100644
--- a/gatsby-config.js
+++ b/gatsby-config.js
@@ -29,9 +29,7 @@ module.exports = {
         display: `minimal-ui`,
         icon: `src/images/logo.svg` // This path is relative to the root of the site.
       }
-    }
-    // this (optional) plugin enables Progressive Web App + Offline functionality
-    // To learn more, visit: https://gatsby.dev/offline
-    // `gatsby-plugin-offline`,
+    },
+    `gatsby-plugin-offline`
   ]
 };