diff --git a/morph/lib/borgbackup.nix b/morph/lib/borgbackup.nix
index f90546cee73911ef41f99e4e1f995465c36ceac4..e71ca55ef90bb3aa50efb3d48b4cd6268a18daf7 100644
--- a/morph/lib/borgbackup.nix
+++ b/morph/lib/borgbackup.nix
@@ -55,6 +55,8 @@ in {
         environment = {
           BORG_RSH = "ssh -i /run/keys/borgbackup/ssh-key";
         };
+
+        # Ciphertext doesn't compress well
         compression = "none";
 
         # Start the backup at a different time per machine,