diff --git a/README.md b/README.md
index 00381f5..23deb9e 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,12 @@
 
 [AllTube Download](https://github.com/Rudloff/alltube) is a Web GUI for [youtube-dl](https://github.com/ytdl-org/youtube-dl), you can use it to download videos from a lot of websites online, even if they don't want you to do this.
 
-AllTube provide an [official site](http://alltubedownload.net/) to use youtube-dl online, or you can create one under your own domain. Unfortunately, the deployment of AllTube is a bit cumbersome, and a good docker can make your deployment faster.
+*AllTube* provide an [official site](http://alltubedownload.net/) to use *youtube-dl* online, or you can create one under your own domain. Unfortunately, the deployment of *AllTube* is a bit cumbersome, and a good docker can make your deployment faster.
 
-First of all, you must have a docker environment, if not you should [install docker](https://docs.docker.com/engine/install/) first. After completion, use the following command to start AllTube.
+First of all, you must have a docker environment, if not you should [install docker](https://docs.docker.com/engine/install/) first. After completion, use the following command to start *AllTube*.
 
 ```
+# add `-e TITLE=...` option can specify the website title
 shell> docker run -dit -p 24488:80 --name alltube dnomd343/alltube
 ```
 
@@ -21,15 +22,15 @@ Next, configure your web server reverse proxy to `localhost:24488`, let's take *
 ```
 server {
     listen 80;
-    server_name video.343.re;
+    server_name video.343.re; # your domain
     return 301 https://$server_name$request_uri;
 }
 
 server {
     listen 443 ssl http2;
-    server_name video.343.re;
-    ssl_certificate /etc/ssl/certs/343.re/fullchain.pem;
-    ssl_certificate_key /etc/ssl/certs/343.re/privkey.pem;
+    server_name video.343.re; # your domain
+    ssl_certificate /etc/ssl/certs/343.re/fullchain.pem; # TLS certificate of your domain
+    ssl_certificate_key /etc/ssl/certs/343.re/privkey.pem; # TLS private key of your domain
     location / {
         proxy_set_header Host $http_host;
         proxy_pass http://127.0.0.1:24488;
diff --git a/init.sh b/init.sh
index a9c595e..a73391a 100644
--- a/init.sh
+++ b/init.sh
@@ -1,3 +1,6 @@
+if [ -n "$TITLE" ]; then
+  sed -i "/^appName:/cappName: $TITLE" /var/www/alltube/config/config.yml
+fi
 /usr/sbin/php-fpm7
 /usr/sbin/nginx
 read -n 1