update Readme

README.md

@@ -27,23 +27,33 @@ sudo curl -L "https://github.com/kruemelmann/komodo/releases/download/v0.1.18/ko
 
 ## Usage
 
-### Simply build pdf from LaTex File
+### Build command
+
+#### Simply build pdf from LaTex File
 ```bash
 komodo build -f <filename>.tex
 ```
 
-### Build pdf from LaTex with a watcher
+#### Build pdf from LaTex with a watcher
 (You dont need to run the script everytime you change the tex-File)
 ```bash
 komodo build -w -f <filename>.tex
 ```
 
-### Build pdf (with watcher) and serve it to your browser
+### Serve command
+
+#### Build pdf (with watcher) and serve it to your browser
 (The ui has hot reload of course otherwise the watcher in the backend would be useless)
 ```bash
 komodo serve -f <filename>.tex
 ```
 
+#### Serve on a different port
+The default port of komodo is 9090 but if you want to start it on a different port you can simply do this with the port flag.
+```bash
+komodo serve -p 8081 -f <filename>.tex
+```
+
 ## Supported platforms
 
 At the moment I only support x86 or ARM based Mac or x86 Linux in komodo but if you want to use another platform and can't build komodo from source you can open an issue and I will integrate a build for your preferred platform in the CI pipeline.