You can see the changes I made in these two commits:

https://github.com/Jermolene/TiddlyWiki5/commit/1374bd9d78286b2710ac7922d57cbf8d7419257a
https://github.com/Jermolene/TiddlyWiki5/commit/8fc5c1d4a0a7991664a4afd9e6370182361abe84

Minor stuff, it's not a big deal to fix.