diff --git a/message.go b/message.go
index <HASH>..<HASH> 100644
--- a/message.go
+++ b/message.go
@@ -806,12 +806,12 @@ type BodyStructure struct {
 	MIMEType string
 	// The MIME subtype (e.g. "plain", "png")
 	MIMESubType string
-	// The MIME parameters. Values are encoded.
+	// The MIME parameters.
 	Params map[string]string
 
 	// The Content-Id header.
 	Id string
-	// The Content-Description header. This is the raw encoded value.
+	// The Content-Description header.
 	Description string
 	// The Content-Encoding header.
 	Encoding string
@@ -836,7 +836,7 @@ type BodyStructure struct {
 
 	// The Content-Disposition header field value.
 	Disposition string
-	// The Content-Disposition header field parameters. Values are encoded.
+	// The Content-Disposition header field parameters.
 	DispositionParams map[string]string
 	// The Content-Language header field, if multipart.
 	Language []string
Fix BodyStructure fields documented as encoded

We do decode them with CharsetReader.