diff --git a/morph/grid/local/private-keys/README.rst b/morph/grid/local/private-keys/README.rst
index 8ecd2dd261b02dd757862703944ad970688d3e7e..176f0d54a9761281b273ab0bdeb710f219807ece 100644
--- a/morph/grid/local/private-keys/README.rst
+++ b/morph/grid/local/private-keys/README.rst
@@ -11,7 +11,8 @@ You can find more information about some of these secrets in ``ops/generating-ke
 deploy_key
 ----------
 
-This is an SSH private key which will be authorized to trigger a deployment update on the deployment hosts themselves.
+This SSH private key authenticates an account used by the continuous deployment system.
+Each node authorizes that account to trigger a deployment update on itself. 
 The corresponding SSH public key is kept in the ``public-keys`` location.
 
 grafana-admin.password