diff --git a/docs/install_arch.rst b/docs/install_arch.rst
index 94a1d092e..4b07ac4c3 100644
--- a/docs/install_arch.rst
+++ b/docs/install_arch.rst
@@ -14,7 +14,7 @@ Installing the pre-requirements
 
 .. code-block:: none
 
-    sudo pacman -Sy python-pip git base-devel jre8-openjdk
+    sudo pacman -Syu python-pip git base-devel jre8-openjdk
 
 ------------------
 Installing the bot