Merge pull request #29 from max-nextcloud/patch-1

Author: Gerrit0

README.md

@@ -13,7 +13,7 @@ If your project references classes which are built into the language (e.g. `HTML
 ### Usage
 
 ```bash
-npm install typedoc-plugin-missing-exports
+npm install typedoc-plugin-missing-exports --save-dev
 npx typedoc --plugin typedoc-plugin-missing-exports
 ```