diff --git a/docs/configuration.rst b/docs/configuration.rst
index 3536928c..88e60095 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -71,7 +71,7 @@ mail in following format: ``[HOST]:PORT``.
 
 By default postfix uses "opportunistic TLS" for outbound mail. This can be changed
 by setting ``OUTBOUND_TLS_LEVEL`` to ``encrypt`` or ``secure``. This setting is highly recommended
-if you are a relayhost that supports TLS.
+if you are using a relayhost that supports TLS.
 
 Similarily by default nginx uses "opportunistic TLS" for inbound mail. This can be changed
 by setting ``INBOUND_TLS_ENFORCE`` to ``True``. Please note that this is forbidden for