diff --git a/Source/OpenTK/Input/MouseState.cs b/Source/OpenTK/Input/MouseState.cs
index 44acc9c3..eee3a0aa 100644
--- a/Source/OpenTK/Input/MouseState.cs
+++ b/Source/OpenTK/Input/MouseState.cs
@@ -180,6 +180,10 @@ namespace OpenTK.Input
             get { return Wheel; }
         }
 
+        /// <summary>
+        /// Gets a value indicating whether this instance is connected.
+        /// </summary>
+        /// <value><c>true</c> if this instance is connected; otherwise, <c>false</c>.</value>
         public bool IsConnected
         {
             get { return is_connected; }