diff --git a/messages-uploaded-Y-knows-x-has-mb.md b/messages-uploaded-Y-knows-x-has-mb.md
index 28cb7ad..7e63c8f 100644
--- a/messages-uploaded-Y-knows-x-has-mb.md
+++ b/messages-uploaded-Y-knows-x-has-mb.md
@@ -32,7 +32,7 @@ While X is offline, Y writes a message to X. Y knows about X's mailbox so Y's me
 
 While X is offline, Y downloads the ack for Y's message from X's mailbox. Y's message is shown as sent and acked (two ticks).
 
-[] Install Briar on X and Y
+[ ] Install Briar on X and Y
 * Add X and Y as contacts
 * In Briar's connection settings, turn off wifi and Bluetooth connections on X and Y
 * Install Mailbox on M