diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 354defa6..a382676c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,6 +18,7 @@ jobs:
         with:
           fetch-depth: '5'
 
+      # Python 3.10 is not compatible with VoodooI2C cldoc
       - uses: actions/setup-python@v4
         with:
             python-version: '3.9'