diff --git a/docs/book/installation/host/index.rst b/docs/book/installation/host/index.rst
index 45dbd46b1e..6dad597ab5 100644
--- a/docs/book/installation/host/index.rst
+++ b/docs/book/installation/host/index.rst
@@ -2,9 +2,7 @@
 Preparing the Host
 ==================
 
-To run Cuckoo we suggest a *GNU/Linux* operating system. We'll be using the
-**latest Ubuntu LTS** (16.04 at the time of writing) throughout our
-documentation.
+To run Cuckoo we suggest a *GNU/Linux* operating system. We'll be using Ubuntu 16.04 LTS throughout this documentation and recommend Ubuntu 18.04 LTS (rather than Ubuntu 20.04 LTS) for new installations.
 
 .. toctree::