diff --git a/wiki/src/install/expert/usb.mdwn b/wiki/src/install/expert/usb.mdwn
index d52fae5233f1fe4b02d5368467aae08bcee66a5d..95aae41721f3afff1383b67365d318938505db5d 100644
--- a/wiki/src/install/expert/usb.mdwn
+++ b/wiki/src/install/expert/usb.mdwn
@@ -135,7 +135,7 @@ Installer</span>, a program designed specifically for installing Tails.
 
 1. If you are running:
 
-   a. Debian, execute the following command to add the
+   a. Debian, execute the following commands to add the
    backports repository to your system:
 
          BACKPORTS='deb http://http.debian.net/debian/ stretch-backports main'