diff --git a/samples/Beginner/AnalogRainSensor/Program.cs b/samples/Beginner/AnalogRainSensor/Program.cs
index e3d26a54..1fe7bd30 100644
--- a/samples/Beginner/AnalogRainSensor/Program.cs
+++ b/samples/Beginner/AnalogRainSensor/Program.cs
@@ -10,7 +10,7 @@
 
 AdcController adc1 = new AdcController();
 
-// Get the reference minimul and maximum values
+// Get the reference minimum and maximum values
 int max1 = adc1.MaxValue;
 int min1 = adc1.MinValue;
 
diff --git a/samples/Beginner/AnalogRainSensor/README.md b/samples/Beginner/AnalogRainSensor/README.md
index 90c9d0d2..1d6044af 100644
--- a/samples/Beginner/AnalogRainSensor/README.md
+++ b/samples/Beginner/AnalogRainSensor/README.md
@@ -1,4 +1,4 @@
-# 🌶️ - Read a soil moisture sensor with Analogic to Digital Converter (ADC)
+# 🌶️ - Read a soil moisture sensor with Analog to Digital Converter (ADC)
 
 Shows how to use the [System.Device.Adc](https://docs.nanoframework.net/api/System.Device.Adc.html) API to set GPIO pins.