diff --git a/scripts/wk/cfg/sources.py b/scripts/wk/cfg/sources.py
index b516cb25..9b15b7dd 100644
--- a/scripts/wk/cfg/sources.py
+++ b/scripts/wk/cfg/sources.py
@@ -25,6 +25,8 @@ SOURCES = {
   'RegDelNull64':       'https://live.sysinternals.com/RegDelNull64.exe',
   'Software Bundle':    'https://ninite.com/.net4.8-7zip-chrome-edge-vlc/ninite.exe',
   'TDSSKiller':         'https://media.kaspersky.com/utilities/VirusUtilities/EN/tdsskiller.exe',
+
+  # Visual C++ Runtimes: https://docs.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist
   'VCRedist_2012_x32':  'https://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/VSU_4/vcredist_x86.exe',
   'VCRedist_2012_x64':  'https://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/VSU_4/vcredist_x64.exe',
   'VCRedist_2013_x32':  'https://aka.ms/highdpimfc2013x86enu',