According to this page, the word "present" was corrected to "presence"
in other Creative Commons licenses, but not in the CC0:
https://english.stackexchange.com/questions/443287/present-used-as-a-noun-like-presence

The spelling error bothers me more than my inclination to not modify a
widely-used license.

This article by Chris Morgan convinced me not to use the Unlicense:
https://chrismorgan.info/blog/unlicense/

Change to a different public domain dedication license.

* Change table to use GitHub Flavored Markdown syntax
* Fix links with spaces by URL-encoding the space

After reading this over, I realised I only described copying the bundle
into the proper location. Add a little extra description about how to
add the layout as a possible input source.

Include the Unicode code points in the table that describes the emojis
used in the keyboard layout for more clarity.