diff --git a/docs/Getting Started/Ubuntu/index.rst b/docs/Getting Started/Ubuntu/index.rst
index 588987b..4d52da5 100644
--- a/docs/Getting Started/Ubuntu/index.rst	
+++ b/docs/Getting Started/Ubuntu/index.rst	
@@ -12,7 +12,12 @@ Installation
   `Root on ZFS`_ links below instead.
 
 On Ubuntu, ZFS is included in the default Linux kernel packages.
-To install the ZFS utilities::
+To install the ZFS utilities, first make sure ``universe`` is enabled in
+``/etc/apt/sources.list``::
+
+  deb http://archive.ubuntu.com/ubuntu <CODENAME> main universe
+
+Then install ``zfsutils-linux``::
 
   apt update
   apt install zfsutils-linux