diff --git a/.github/workflows/test_macos.yml b/.github/workflows/test_macos.yml
index 9a3bccac9..57aa87ded 100644
--- a/.github/workflows/test_macos.yml
+++ b/.github/workflows/test_macos.yml
@@ -1,3 +1,4 @@
+# There are some issues (in the downloading data phase) on MacOS when running with other tests. So we split it into an individual config.
 name: Test MacOS
 
 on: