Update README.md: Add link to netem documentation

README.md

@@ -6,10 +6,12 @@ No further changes are planned right now, but pull requests are welcome.
 
 ## Requirements
 
-- tested with Ubuntu 16.04 LTS & Raspbian 4.14.98-v7+ (stretch, Debian 9.8)
-- netem tools & python3-flask is required
-    - install with `sudo apt-get install iproute python3-flask`
-- more information: https://calomel.org/network_loss_emulation.html
+- Tested with Ubuntu 16.04 LTS & Raspbian 4.14.98-v7+ (stretch, Debian 9.8)
+- `netem` tools & p`ython3-flask` are required
+    - Install with `sudo apt-get install iproute python3-flask`
+- More information:
+    - https://calomel.org/network_loss_emulation.html
+    - https://wiki.linuxfoundation.org/networking/netem
 
 ## Usage