diff --git a/docs/installation/arch.rst b/docs/installation/arch.rst
index 3f85bf51..e58d6cf5 100644
--- a/docs/installation/arch.rst
+++ b/docs/installation/arch.rst
@@ -14,7 +14,7 @@ If you are running Arch Linux, you can install Mopidy using the
 
    To upgrade Mopidy to future releases, just upgrade your system using::
 
-       yaourt -Syu
+       yaourt -Syua
 
 #. Optional: If you want to use any Mopidy extensions, like Spotify support or
    Last.fm scrobbling, AUR also has `packages for several Mopidy extensions