diff --git a/README.md b/README.md
index 33d7500f..e15f9d6d 100644
--- a/README.md
+++ b/README.md
@@ -271,7 +271,7 @@ build the packages; this is simply the one we chose to use.
 
 ## Ubuntu
 
-getdns should also work on Ubuntu 16.04, however if you require IDN functionally you will have to install a recent version of libidn2 via a ppa e.g. from https://launchpad.net/~ondrej/+archive/ubuntu/php
+getdns should also work on Ubuntu 16.04, however if you require IDN functionality you will have to install a recent version of libidn2 via a ppa e.g. from https://launchpad.net/~ondrej/+archive/ubuntu/php
 
 ## OSX