diff --git a/Unosquare.RaspberryIO.Abstractions/IGpioController.cs b/Unosquare.RaspberryIO.Abstractions/IGpioController.cs
index f78c737..95e8fb0 100644
--- a/Unosquare.RaspberryIO.Abstractions/IGpioController.cs
+++ b/Unosquare.RaspberryIO.Abstractions/IGpioController.cs
@@ -6,45 +6,45 @@ namespace Unosquare.RaspberryIO.Abstractions {
   /// Interface for Raspberry Pi GPIO controller.
   /// </summary>
   /// <seealso cref="System.Collections.Generic.IReadOnlyCollection{IGpioPin}" />
-  public interface IGpioController : IReadOnlyCollection<IGpioPin> {
-        /// <summary>
-        /// Gets the <see cref="IGpioPin"/> with the specified BCM pin.
-        /// </summary>
-        /// <value>
-        /// The <see cref="IGpioPin"/>.
-        /// </value>
-        /// <param name="bcmPinNumber">The BCM pin number.</param>
-        /// <returns>A reference to the GPIO pin.</returns>
-        IGpioPin this[Int32 bcmPinNumber] { get; }
-
-        /// <summary>
-        /// Gets the <see cref="IGpioPin"/> with the specified BCM pin.
-        /// </summary>
-        /// <value>
-        /// The <see cref="IGpioPin"/>.
-        /// </value>
-        /// <param name="bcmPin">The BCM pin.</param>
-        /// <returns>A reference to the GPIO pin.</returns>
-        IGpioPin this[BcmPin bcmPin] { get; }
-
-        /// <summary>
-        /// Gets the <see cref="IGpioPin"/> with the specified pin number.
-        /// </summary>
-        /// <value>
-        /// The <see cref="IGpioPin"/>.
-        /// </value>
-        /// <param name="pinNumber">The pin number in header P1.</param>
-        /// <returns>A reference to the GPIO pin.</returns>
-        IGpioPin this[P1 pinNumber] { get; }
-
-        /// <summary>
-        /// Gets the <see cref="IGpioPin"/> with the specified pin number.
-        /// </summary>
-        /// <value>
-        /// The <see cref="IGpioPin"/>.
-        /// </value>
-        /// <param name="pinNumber">The pin number in header P5.</param>
-        /// <returns>A reference to the GPIO pin.</returns>
-        IGpioPin this[P5 pinNumber] { get; }
-    }
+  public interface IGpioController : IReadOnlyCollection<IGpioPin> {
+    /// <summary>
+    /// Gets the <see cref="IGpioPin"/> with the specified BCM pin.
+    /// </summary>
+    /// <value>
+    /// The <see cref="IGpioPin"/>.
+    /// </value>
+    /// <param name="bcmPinNumber">The BCM pin number.</param>
+    /// <returns>A reference to the GPIO pin.</returns>
+    IGpioPin this[Int32 bcmPinNumber] { get; }
+
+    /// <summary>
+    /// Gets the <see cref="IGpioPin"/> with the specified BCM pin.
+    /// </summary>
+    /// <value>
+    /// The <see cref="IGpioPin"/>.
+    /// </value>
+    /// <param name="bcmPin">The BCM pin.</param>
+    /// <returns>A reference to the GPIO pin.</returns>
+    IGpioPin this[BcmPin bcmPin] { get; }
+
+    /// <summary>
+    /// Gets the <see cref="IGpioPin"/> with the specified pin number.
+    /// </summary>
+    /// <value>
+    /// The <see cref="IGpioPin"/>.
+    /// </value>
+    /// <param name="pinNumber">The pin number in header P1.</param>
+    /// <returns>A reference to the GPIO pin.</returns>
+    IGpioPin this[P1 pinNumber] { get; }
+
+    /// <summary>
+    /// Gets the <see cref="IGpioPin"/> with the specified pin number.
+    /// </summary>
+    /// <value>
+    /// The <see cref="IGpioPin"/>.
+    /// </value>
+    /// <param name="pinNumber">The pin number in header P5.</param>
+    /// <returns>A reference to the GPIO pin.</returns>
+    IGpioPin this[P5 pinNumber] { get; }
+  }
 }