refactor: comments and log (#804)

Author: sksmta

sample/sample11-complete-sample-express/app.ts

@@ -3,12 +3,12 @@ import { createExpressServer } from '../../src/index';
 // base directory. we use it because file in "required" in another module
 const baseDir = __dirname;
 
-// koa is used just as an example here. you can also use express
-// to do it simply use createExpressServer instead of createKoaServer
+// express is used just as an example here. you can also use koa
+// to do it simply use createKoaServer instead of createExpressServer
 const app = createExpressServer({
   controllers: [baseDir + '/modules/**/controllers/*{.js,.ts}'],
   middlewares: [baseDir + '/modules/**/middlewares/*{.js,.ts}'],
 });
 app.listen(3001);
 
-console.log('Koa server is running on port 3001. Open http://localhost:3001/blogs/');
+console.log('Express server is running on port 3001. Open http://localhost:3001/blogs/');