diff --git a/Source/Changelog.txt b/Source/Changelog.txt
index e6c2c8e..5230200 100644
--- a/Source/Changelog.txt
+++ b/Source/Changelog.txt
@@ -12,6 +12,8 @@ FIX   If a popup is opened, its window handle is now being set as the foreground
       This fixes an issue with certain controls being disabled on popups.
       (thanks Andrew Smith for pointing me in the right direction!).
 FIX   Changed dispatcher access in order to work in WinForms scenarios, too.
+FIX   Corrected typo in WindowMessageSink.BalloonToolTipChanged event. Used internally
+      (although event is public), so users should be fine.
       
 
 ----------------------------------------------------------------------------
diff --git a/Source/NotifyIconWpf/BalloonIcon.cs b/Source/NotifyIconWpf/BalloonIcon.cs
index 5c182d7..610ff57 100644
--- a/Source/NotifyIconWpf/BalloonIcon.cs
+++ b/Source/NotifyIconWpf/BalloonIcon.cs
@@ -25,7 +25,7 @@
 namespace Hardcodet.Wpf.TaskbarNotification
 {
   ///<summary>
-  /// Supported icons for the tray's ballon messages.
+  /// Supported icons for the tray's balloon messages.
   ///</summary>
   public enum BalloonIcon
   {
diff --git a/Source/NotifyIconWpf/Interop/IconDataMembers.cs b/Source/NotifyIconWpf/Interop/IconDataMembers.cs
index d3dd8db..be284cb 100644
--- a/Source/NotifyIconWpf/Interop/IconDataMembers.cs
+++ b/Source/NotifyIconWpf/Interop/IconDataMembers.cs
@@ -29,7 +29,7 @@ namespace Hardcodet.Wpf.TaskbarNotification.Interop
     /// </summary>
     State = 0x08,
     /// <summary>
-    /// The ballon ToolTip is set. Accordingly, the following
+    /// The balloon ToolTip is set. Accordingly, the following
     /// members are set: <see cref="NotifyIconData.BalloonText"/>,
     /// <see cref="NotifyIconData.BalloonTitle"/>, <see cref="NotifyIconData.BalloonFlags"/>,
     /// and <see cref="NotifyIconData.VersionOrTimeout"/>.
diff --git a/Source/NotifyIconWpf/Interop/WindowMessageSink.cs b/Source/NotifyIconWpf/Interop/WindowMessageSink.cs
index 1653525..3cf4ee2 100644
--- a/Source/NotifyIconWpf/Interop/WindowMessageSink.cs
+++ b/Source/NotifyIconWpf/Interop/WindowMessageSink.cs
@@ -101,7 +101,7 @@ namespace Hardcodet.Wpf.TaskbarNotification.Interop
     /// Fired if a balloon ToolTip was either displayed
     /// or closed (indicated by the boolean flag).
     /// </summary>
-    public event Action<bool> BallonToolTipChanged;
+    public event Action<bool> BalloonToolTipChanged;
 
     /// <summary>
     /// Fired if the taskbar was created or restarted. Requires the taskbar
@@ -278,12 +278,12 @@ namespace Hardcodet.Wpf.TaskbarNotification.Interop
           break;
 
         case 0x402:
-          BallonToolTipChanged(true);
+          BalloonToolTipChanged(true);
           break;
 
         case 0x403:
         case 0x404:
-          BallonToolTipChanged(false);
+          BalloonToolTipChanged(false);
           break;
 
         case 0x405:
diff --git a/Source/NotifyIconWpf/TaskbarIcon.cs b/Source/NotifyIconWpf/TaskbarIcon.cs
index 866dbfb..4d9169a 100644
--- a/Source/NotifyIconWpf/TaskbarIcon.cs
+++ b/Source/NotifyIconWpf/TaskbarIcon.cs
@@ -135,7 +135,7 @@ namespace Hardcodet.Wpf.TaskbarNotification
       messageSink.MouseEventReceived += OnMouseEvent;
       messageSink.TaskbarCreated += OnTaskbarCreated;
       messageSink.ChangeToolTipStateRequest += OnToolTipChange;
-      messageSink.BallonToolTipChanged += OnBalloonToolTipChanged;
+      messageSink.BalloonToolTipChanged += OnBalloonToolTipChanged;
 
       //init single click / balloon timers
       singleClickTimer = new Timer(DoSingleClickAction);