diff --git a/.syncexclude b/.syncexclude
index a6ab4e8a..d5b890cc 100644
--- a/.syncexclude
+++ b/.syncexclude
@@ -1,2 +1,12 @@
+# Paths that will be exclude from synchronize workflow
+# Please use relative path which use project directory as root
+# Notice that
+#   * .git
+#   * debian
+#   * archlinux
+#   * .obs
+#   * .github
+# are always ignored
 linglong.yaml
 VERSION
+CHANGELOG.md