diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index fbbcf82ec1787..3fb4607bd75b6 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -234,7 +234,7 @@ Params:
 
         eee                     Enable Energy Efficient Ethernet support for
                                 compatible devices (default "on"). See also
-                                "tx_lpi_timer". Pi3B+ only.
+                                "tx_lpi_timer". Pi3B+, Pi4 and CM4 only.
 
         enable_eeprom           Set to "on" to enable the onboard bootloader
                                 EEPROM by driving GPIO 57 low