diff --git a/pivilion-manual-setup.md b/pivilion-manual-setup.md
index 04e6e9e..df7b82c 100644
--- a/pivilion-manual-setup.md
+++ b/pivilion-manual-setup.md
@@ -21,6 +21,9 @@ You can also download the complete pre-installed appliance image and run Pivilio
 https://www.raspberrypi.org/downloads/raspbian/
 #### Tor Browser
 https://www.torproject.org/download/download-easy.html.en
+#### Nmap network scanning tool
+https://nmap.org/
+Be careful with nmap - scanning networks that are not yours may be illegal in your country!  
 ### Windows only 
 #### Putty SSH client
 http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html