diff --git a/src/interface/types.rs b/src/interface/types.rs
index 4437962..076fe88 100644
--- a/src/interface/types.rs
+++ b/src/interface/types.rs
@@ -1,5 +1,6 @@
 use std::convert::TryFrom;
 
+/// Type of Network Interface
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub enum InterfaceType {
     Unknown,