fix: update comment

Author: kangju2000

examples/one-page/scripts/one-page.js

@@ -40,7 +40,7 @@ const USE_LOCAL = false;
 // Import Map
 // ================================================================================================
 const importUrl = (k, v, extra = '') => {
-  // Pin react and react-dom
+  // Pin react and react-dom.
   if (k === 'react' || k === 'react-dom') {
     v = reactVersion;
   }