diff --git a/python-programming/generate_C_lang_token.py b/python-programming/generate_C_lang_token.py
index a463418..f2cac57 100644
--- a/python-programming/generate_C_lang_token.py
+++ b/python-programming/generate_C_lang_token.py
@@ -4,6 +4,9 @@
 #
 # Author: Intel A80486DX2-66
 # License: Creative Commons Zero 1.0 Universal
+#
+# TODO: If the generated token starts with `__`, replace the first 2 characters
+# to a random [A-Za-z]{2,2} string
 
 from random import choice
 from string import ascii_lowercase, ascii_uppercase, digits