Merge pull request #7 from rmbaad/patch-1

chore(doc): missing link

Author: L4ngu0r

README.md

@@ -69,7 +69,7 @@ Use an existing project or start a fresh one.
 npm init
 ```
 
-Install `myscript-math-web` and use it as showed in the [Usage]() section.
+Install `myscript-math-web` and use it as showed in the [Usage](https://github.com/MyScript/myscript-math-web#usage) section.
 
 ```shell
 npm install myscript-math-web