diff --git a/package/profeth/Config.in b/package/profeth/Config.in
index 370749f0..edefedee 100644
--- a/package/profeth/Config.in
+++ b/package/profeth/Config.in
@@ -8,7 +8,11 @@ config BR2_PACKAGE_PROFETH
 	bool "profeth"
 	depends on BR2_PACKAGE_PROFETH_SUPPORTED
 	help
-	  Simple profinet switch management
+	  Simple profinet switch management.
+
+	  Note: to run in Qemu you need the following menuconfig settings:
+	        QEMU_NET_TAP=y
+	        QEMU_NET_TAP_N=10
 
 comment "profeth needs p-net"
 	depends on !BR2_PACKAGE_PROFETH_SUPPORTED