update README.md file

Author: Dou Du

README.md

@@ -1,11 +1,15 @@
 # `jupyterlab-hide-code`: A Button in JupyterLab to Run and Hide Code
 
-[![Github Actions Status](https://github.com/osscar-org/jupyterlab-hide-code/workflows/Build/badge.svg)](https://github.com/osscar-org/jupyterlab-hide-code/actions/workflows/build.yml)[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/jupyterlab-hide-code/main?urlpath=lab)
+[![Github Actions Status](https://github.com/osscar-org/jupyterlab-hide-code/workflows/Build/badge.svg)](https://github.com/osscar-org/jupyterlab-hide-code/actions/workflows/build.yml)
 
 A button in JupyterLab to run the code cells and then to hide the code cells.
 
 ![demo](./binder/demo.gif)
 
+## Try it with Binder
+
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/jupyterlab-hide-code/main?urlpath=lab)
+
 ## Requirements
 
 - JupyterLab >= 4.0.0