diff --git a/Docs/SlowUploadSpeed.md b/Docs/SlowUploadSpeed.md
index 93acfd3..eb41597 100644
--- a/Docs/SlowUploadSpeed.md
+++ b/Docs/SlowUploadSpeed.md
@@ -74,6 +74,7 @@ reboot
 
 ## `diag`
 ```
+/bin/diag port set auto-nego port all ability asy-flow-control
 /bin/diag bandwidth set egress port all rate 4194296
 /bin/diag bandwidth set ingress port all rate 4194296
 ```