diff -r acf39baa1c7d -r 993903fd4434 syntaxes/LaTeX.tmLanguage.json
--- a/syntaxes/LaTeX.tmLanguage.json	Tue May 12 18:17:39 2020 -0500
+++ b/syntaxes/LaTeX.tmLanguage.json	Tue May 12 18:38:00 2020 -0500
@@ -959,7 +959,7 @@
       ]
     },
     {
-      "begin": "((\\\\)todo)((?:\\[[^\\[]*?\\])*)(\\{)",
+      "begin": "((\\\\)(?:[a-zA-Z][a-zA-Z])?todo)((?:\\[[^\\[]*?\\])*)(\\{)",
       "beginCaptures": {
         "1": {
           "name": "support.function.todo.latex"