diff --git a/docs/source/leases.rst b/docs/source/leases.rst
index f1b4e3bff879859a3017879a4df43b7a49cf9134..91e743a83828a53e9c3ffac2a60edfbe8b8cab1f 100644
--- a/docs/source/leases.rst
+++ b/docs/source/leases.rst
@@ -10,7 +10,7 @@ care is taken to only renew leases for which the expiration time will soon arriv
 Design
 ------
 
-The process of checking lease age and renewing them automated in the client storage plugin.
+The process of checking lease age and renewing them is automated in the client storage plugin.
 The storage plugin interface is not ideally shaped to support this functionality.
 The following designs have been considered.