Update comments

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

spec/browserify/sync-browserify.spec.js

@@ -99,5 +99,5 @@ describe("Browserify Test", function() {
                 client.once("sync.unexpectedError", reject);
             }),
         ]);
-    }, 20000);
+    }, 20000); // additional timeout as this test can take quite a while
 });