<!-- YOUR_COMMENT_HERE -->
OR:
AT_LEAST_ONE_EMPTY_LINE_HERE
[//]: # (YOUR_COMMENT_HERE)
<!-- *comment* --/>
Just use the HTML one
<!-- comment -->
or, if supported
[//]: # comment
[//]: # (This may be the most platform independent comment, but i depends)
[//]: # (it does not work in google colab)
<!---
your comment goes here
and here
-->