diff --git a/msg.go b/msg.go
index 1d90fa33..d8300ca2 100644
--- a/msg.go
+++ b/msg.go
@@ -666,6 +666,7 @@ func structValue(any interface{}) reflect.Value {
 	return reflect.ValueOf(any).Elem()
 }
 
+// PackStruct packs any structure to wire format.
 func PackStruct(any interface{}, msg []byte, off int) (off1 int, err error) {
 	off, err = packStructValue(structValue(any), msg, off, nil, false)
 	return off, err
@@ -1028,6 +1029,8 @@ func unpackUint16(msg []byte, off int) (v uint16, off1 int) {
 	return
 }
 
+// UnpackStruct unpacks a binary message from offset off to the interface
+// value given.
 func UnpackStruct(any interface{}, msg []byte, off int) (off1 int, err error) {
 	off, err = unpackStructValue(structValue(any), msg, off)
 	return off, err
diff --git a/zscan.go b/zscan.go
index 0d934244..b6bfff40 100644
--- a/zscan.go
+++ b/zscan.go
@@ -96,7 +96,7 @@ type lex struct {
 type Token struct {
 	RR                  // the scanned resource record when error is not nil
 	Error   *ParseError // when an error occured, this has the error specifics
-	Comment string      // A potential comment positioned after the RR, but on the same line
+	Comment string      // A potential comment positioned after the RR and on the same line
 }
 
 // NewRR reads the RR contained in the string s. Only the first RR is returned.
@@ -140,7 +140,7 @@ func ReadRR(q io.Reader, filename string) (RR, error) {
 //
 //	foo. IN A 10.0.0.1 ; this is a comment
 //
-// The text "; this is comment" is returned in Token.comment . Comments inside the
+// The text "; this is comment" is returned in Token.Comment . Comments inside the
 // RR are discarded. Comments on a line by themselves are discarded too.
 func ParseZone(r io.Reader, origin, file string) chan Token {
 	return parseZoneHelper(r, origin, file, 10000)