diff --git a/sheets/dar b/sheets/dar
index 54d98c4..26d94e7 100644
--- a/sheets/dar
+++ b/sheets/dar
@@ -1,3 +1,6 @@
+# dar
+# (disk archive), command-line archiving tool intended as a replacement for tar
+
 # Create an archive of everything below source_dir
 dar -R source_dir -c archive