diff --git a/shared-bindings/rtc/RTC.c b/shared-bindings/rtc/RTC.c
index 01686a75d9fd3..3a236e0701916 100644
--- a/shared-bindings/rtc/RTC.c
+++ b/shared-bindings/rtc/RTC.c
@@ -73,7 +73,7 @@ MP_PROPERTY_GETSET(rtc_rtc_datetime_obj,
 //|
 //|     A positive value speeds up the clock and a negative value slows it down.
 //|
-//|     **Limitations:** Calibration not supported on SAMD, Nordic, RP240, Spresense, and STM.
+//|     **Limitations:** Calibration not supported on SAMD, Nordic, RP2040, Spresense, and STM.
 //|
 //|     Range and value is hardware specific, but one step is often approximately 1 ppm::
 //|