diff --git a/.github/workflows/reset_history.sh b/.github/workflows/reset_history.sh
index 11eaec8..338f42b 100644
--- a/.github/workflows/reset_history.sh
+++ b/.github/workflows/reset_history.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# useful to reset history when it's too big
+# the git history in this context is not very important
+
 rm -rf .git
 
 git init