diff --git a/README.hardware b/README.hardware
index d7e24d2282..562f1960f2 100644
--- a/README.hardware
+++ b/README.hardware
@@ -317,7 +317,7 @@ Steps:
 
  2. Flash the image.
 
-    # dd core-image-minimal-edgerouter.wic of=/dev/sdb
+    # dd if=core-image-minimal-edgerouter.wic of=/dev/sdb
 
  3. Insert USB disk into the edgerouter and boot it.