diff --git a/linux/README.md b/linux/README.md
index 9d09b89..1ae9e58 100644
--- a/linux/README.md
+++ b/linux/README.md
@@ -41,6 +41,14 @@ to
 GRUB_CMDLINE_LINUX_DEFAULT="resume=/dev/disk/by-partlabel/swap0 showopts splash=silent igb-libethercat.ethercat_mac_addr=00:1b:21:ed:35:41 intel_iommu=on preempt=full quiet security=apparmor mitigations=auto processor.max_cstate=1 intel_idle.max_cstate=0 nortsched isolcpus=2,3,4,5 nohz_full=2,3,4,5 mitigations=off idle=poll nosmt systemd.unit=default-offline.target"
 ```
 
+### Polling Mode
+
+The driver can also be configured without interrupts in polling mode. Therefore append following to the grub config:
+
+```
+igb-libethercat.ethercat_polling=1
+```
+
 ### Rebuild grub config file
 
 Enter