diff --git a/CHANGES.md b/CHANGES.md
index 04e1aed85..f2deadfdb 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,10 +1,10 @@
 # Changes
 
-## 0.4.0 (2018-02-..)
+## 0.4.0 (2018-02-28)
 
 * Actix 0.5 compatibility
 
-* Fix request json loader
+* Fix request json/urlencoded loaders
 
 * Simplify HttpServer type definition
 
diff --git a/src/httpmessage.rs b/src/httpmessage.rs
index 14a551ead..2d8b1659d 100644
--- a/src/httpmessage.rs
+++ b/src/httpmessage.rs
@@ -17,9 +17,10 @@ use error::{ParseError, ContentTypeError,
             HttpRangeError, PayloadError, UrlencodedError};
 
 
+/// Trait that implements general purpose operations on http messages
 pub trait HttpMessage {
 
-    /// Read the Message Headers.
+    /// Read the message headers.
     fn headers(&self) -> &HeaderMap;
 
     /// Read the request content type. If request does not contain