diff --git a/RTL8218B.md b/RTL8218B.md
index 6c80637b..d8d006a6 100644
--- a/RTL8218B.md
+++ b/RTL8218B.md
@@ -134,7 +134,7 @@ Page | Register | Bits | Feature | Documentation
 0x42e | 0x11 | 15:00 |
 **Page** | **Register** | **Bits** | **Unknown SerDes - page unknown** | **Absolute 0x2261**
 0x44c | 0x11 | 15:00 | | This is some unknown PLL register - write 0x4000 to disable ring PLL
-**Page** | **Register** | **Bits** | **Unknown filter register** | **Absolute 0x2322**
+**Page** | **Register** | **Bits** | **Unknown filter register** | **Absolute 0x2310**
 0x462 | 0x10 | 13:12 | OFFSET_CALIBRATION
 **Page** | **Register** | **Bits** | **Unknown filter register** | **Absolute 0x2322**
 0x464 | 0x12 | 15:11 | FILTER_0