diff --git a/NOTES.md b/NOTES.md
index c34f745..8967d9f 100644
--- a/NOTES.md
+++ b/NOTES.md
@@ -32,6 +32,9 @@ Fixed user of admin.  Auth key is the same as web admin password.
 SNMPv3 does not support 3DES or AES encryption.
 Supported: authProtocol=usmHMACSHAAuthProtocol, privProtocol=usmDESPrivProtocol
 
+If you modify the egress ports, it will automatically ALSO set the bits for
+untagged (despite them being "correct" before).  Currently, you have to run the
+tool a second time to set the untagged config properly.
 
 NetGear GS510TLP
 ----------------