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1 files changed, 5 insertions, 2 deletions

diff --git a/formats/pktline/decoder.go b/formats/pktline/decoder.go
index c30be6b..34e6f51 100644
--- a/formats/pktline/decoder.go
+++ b/formats/pktline/decoder.go
@@ -7,9 +7,12 @@ import (
 )
 
 var (
-	ErrUnderflow     = errors.New("unexpected string length (underflow)")
+	// ErrUnderflow is triggered when a line is shorter than the described length
+	ErrUnderflow = errors.New("unexpected string length (underflow)")
+	// ErrInvalidHeader invalid pktline header
 	ErrInvalidHeader = errors.New("invalid header")
-	ErrInvalidLen    = errors.New("invalid length")
+	// ErrInvalidLen ivanlid line length found, < 0
+	ErrInvalidLen = errors.New("invalid length")
 )
 
 // Decoder implements a pkt-line format decoder