path: root/src/Propellor/Protocol.hs
diff options
Diffstat (limited to 'src/Propellor/Protocol.hs')
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Propellor/Protocol.hs b/src/Propellor/Protocol.hs
index f8b706cc..68c2443b 100644
--- a/src/Propellor/Protocol.hs
+++ b/src/Propellor/Protocol.hs
@@ -2,6 +2,10 @@
-- a local and remote propellor. It's sent over a ssh channel, and lines of
-- the protocol can be interspersed with other, non-protocol lines
-- that should be passed through to be displayed.
+-- Avoid making backwards-incompatible changes to this protocol,
+-- since propellor needs to use this protocol to update itself to new
+-- versions speaking newer versions of the protocol.
module Propellor.Protocol where