diff --git a/overlay/tio/tio_gso_linux.go b/overlay/tio/tio_gso_linux.go
index 3bcf725d..583bad35 100644
--- a/overlay/tio/tio_gso_linux.go
+++ b/overlay/tio/tio_gso_linux.go
@@ -307,9 +307,8 @@ func (r *Offload) decodeRead(pktLen int) error {
 
 	// GSO superpacket: validate, fix the kernel-supplied HdrLen on the
 	// FORWARD path (CorrectHdrLen), pick the L4 protocol, and attach
-	// the metadata. The bytes stay in rxBuf untouched — segmentation
-	// happens in SegmentSuperpacket against a per-routine MTU scratch
-	// at encrypt time.
+	// the metadata. The bytes stay in rxBuf untouched, segmentation
+	// happens in SegmentSuperpacket at encrypt time.
 	if err := virtio.CheckValid(body, hdr); err != nil {
 		return err
 	}
@@ -347,8 +346,6 @@ func (r *Offload) writeWithScratch(buf []byte, iovs *[2]unix.Iovec) (int, error)
 	if len(buf) == 0 {
 		return 0, nil
 	}
-	// Point the payload iovec at the caller's buffer. iovs[0] is pre-wired
-	// to validVnetHdr during Offload construction so we don't rebuild it here.
 	iovs[1].Base = &buf[0]
 	iovs[1].SetLen(len(buf))
 	return r.rawWrite(unsafe.Slice(&iovs[0], len(iovs)))