diff --git a/io/mdns/README.md b/io/mdns/README.md
index 1fb22c62..0d33883d 100644
--- a/io/mdns/README.md
+++ b/io/mdns/README.md
@@ -4,7 +4,7 @@ node-red-node-discovery
A Node-RED node that uses Bonjour
/ Avahi to discover local network services such as iTunes libraries, printers, etc.
-Now also supports announcing new services.
+It also supports announcing new services.
Prerequisites
-------------
@@ -13,7 +13,7 @@ please read the [install instructions](https://www.npmjs.com/package/mdns) for t
For Debian / Ubuntu this requires installing
- sudo apt-get install libavahi-compat-libdnssd-dev
+ sudo apt-get install libavahi-compat-libdnssd-dev libudev-dev
Install
-------
diff --git a/io/mdns/mdns.html b/io/mdns/mdns.html
index 1d0dab51..de75ef19 100644
--- a/io/mdns/mdns.html
+++ b/io/mdns/mdns.html
@@ -1,5 +1,5 @@
-
-
-
-