diff --git a/specification/modules/dm.rst b/specification/modules/dm.rst
index 30f4067d..54102e74 100644
--- a/specification/modules/dm.rst
+++ b/specification/modules/dm.rst
@@ -18,7 +18,7 @@ Direct Messaging
 .. _module:dm:
 
 All communication over Matrix happens within a room. It is sometimes
-desireable to offer users the concept of speaking directly to one
+desirable to offer users the concept of speaking directly to one
 particular person. This module defines a way of marking certain rooms
 as 'direct chats' with a given person. This does not restrict the chat
 to being between exactly two people since this would preclude the