diff --git a/M5StackCommon/Core2ToughCommon.cs b/M5StackCommon/Core2ToughCommon.cs
index a85db21b..c5ca9388 100644
--- a/M5StackCommon/Core2ToughCommon.cs
+++ b/M5StackCommon/Core2ToughCommon.cs
@@ -73,7 +73,7 @@ public static partial class Tough
         /// <summary>
         /// Gets the real time clock.
         /// </summary>
-        public static Pcf8563 ReatTimeClock
+        public static Pcf8563 RealTimeClock
         {
             get => _rtc;
         }
diff --git a/nanoFramework.M5StickCommon/M5StickCBase.cs b/nanoFramework.M5StickCommon/M5StickCBase.cs
index 6eafa052..fcfc2709 100644
--- a/nanoFramework.M5StickCommon/M5StickCBase.cs
+++ b/nanoFramework.M5StickCommon/M5StickCBase.cs
@@ -126,7 +126,7 @@ public static Mpu6886AccelerometerGyroscope AccelerometerGyroscope
         /// <summary>
         /// Gets the real time clock.
         /// </summary>
-        public static Pcf8563 ReatTimeClock
+        public static Pcf8563 RealTimeClock
         {
             get => _rtc;
         }