diff --git a/.github/workflows/windows-build.yml b/.github/workflows/windows-build.yml
index f2eda9fd..70cca876 100644
--- a/.github/workflows/windows-build.yml
+++ b/.github/workflows/windows-build.yml
@@ -68,6 +68,8 @@ jobs:
           filename: 'EDMarketConnector/EDMarketConnector-release-${{ needs.variables.outputs.sem_ver }}.zip'
           # 4. And all the exclusions need to be prefixed with the 'root'
           #   directory.
+          # NB: If this gets too long it can cause zip 'Command Line Error',
+          #   presumably due to a Windows CL length limit.
           exclusions: 'EDMarketConnector/EDMarketConnector-release-*.zip EDMarketConnector/dist.win32 EDMarketConnector/__pycache__/ EDMarketConnector/.editorconfig EDMarketConnector/.flake8 EDMarketConnector/.git* EDMarketConnector/.mypy.ini EDMarketConnector/.pre-commit-config.yaml EDMarketConnector/Build-exe-and-msi.py EDMarketConnector/*.manifest EDMarketConnector/coriolis-data/ EDMarketConnector/img/ EDMarketConnector/out/ EDMarketConnector/out.zip EDMarketConnector/pyproject.toml EDMarketConnector/scripts/ EDMarketConnector/tests/ EDMarketConnector/wix/ EDMarketConnector/WinSparkle.*'
 
       - name: Upload build files