--- a/README.md	Tue May 12 18:38:00 2020 -0500
+++ b/README.md	Tue May 12 18:39:01 2020 -0500
@@ -10,7 +10,7 @@
   a) Highlighting for the `todonotes` package: `\todo` as well as custom-defined
      `\XYtodo` for author initials `X` and `Y`.
 
-  b) Footnote highlighting.
+  b) Footnote highlighting (`\foonote`, `\footnotemark`, and `\footnotemark`).
 
   c) Highlighting of `comment` environments as comment blocks.