diff --git a/sys/netgraph/ng_lmi.c b/sys/netgraph/ng_lmi.c
index 98bd3551b596..1258ecac8fae 100644
--- a/sys/netgraph/ng_lmi.c
+++ b/sys/netgraph/ng_lmi.c
@@ -348,9 +348,9 @@ nglmi_inquire(sc_p sc, int full)
 	*cptr++ = 0x00;		/* call reference */
 	*cptr++ = 0x75;		/* inquiry */
 
-	/* If we are Annex-D, there is this extra thing.. */
+	/* If we are Annex-D, and locking shift to codeset 5. */
 	if (ANNEXD(sc))
-		*cptr++ = 0x95;	/* ??? */
+		*cptr++ = 0x95;	/* locking shift */
 	/* Add a request type */
 	if (ANNEXA(sc))
 		*cptr++ = 0x51;	/* report type */