diff --git a/source/documentation/set-up.html.md b/source/documentation/set-up.html.md
index dc53a61..e417ac1 100644
--- a/source/documentation/set-up.html.md
+++ b/source/documentation/set-up.html.md
@@ -144,7 +144,7 @@ We will develop supporting content that allows a business to identify whether th
   * register for tax and then sign up for MTD
   * sign up only
 
-After a business signs up they are informed of their update obligations.
+After a business signs up they are informed of their updated obligations.
 
 The sign-up service requests minimal information from the business such as e-mail address. It reuses information provided as part of identity checking.