diff --git a/Source/Examples/OpenGL/1.1/StencilCSG.cs b/Source/Examples/OpenGL/1.1/StencilCSG.cs
index f3e388f7..e3516f8c 100644
--- a/Source/Examples/OpenGL/1.1/StencilCSG.cs
+++ b/Source/Examples/OpenGL/1.1/StencilCSG.cs
@@ -257,7 +257,7 @@ namespace Examples.Tutorial
 
         protected override void OnRenderFrame( FrameEventArgs e )
         {
-            this.Title = WindowTitle + "  fps: " + ( 1f / e.Time ).ToString("0.");
+            this.Title = WindowTitle + "  FPS: " + ( 1f / e.Time ).ToString("0.");
 
             MySphereZOffset += (float)( e.Time * 3.1 );
             MySphereXOffset += (float)( e.Time * 4.2 );
diff --git a/Source/OpenTK/DisplayDevice.cs b/Source/OpenTK/DisplayDevice.cs
index 82863555..86f0e3cd 100644
--- a/Source/OpenTK/DisplayDevice.cs
+++ b/Source/OpenTK/DisplayDevice.cs
@@ -167,7 +167,7 @@ namespace OpenTK
         /// <param name="width">The width of the requested resolution in pixels.</param>
         /// <param name="height">The height of the requested resolution in pixels.</param>
         /// <param name="bitsPerPixel">The bits per pixel of the requested resolution.</param>
-        /// <param name="refreshRate">The refresh rate of the requested resolution in Herz.</param>
+        /// <param name="refreshRate">The refresh rate of the requested resolution in hertz.</param>
         /// <returns>The requested DisplayResolution or null if the parameters cannot be met.</returns>
         /// <remarks>
         /// <para>If a matching resolution is not found, this function will retry ignoring the specified refresh rate,
diff --git a/Source/OpenTK/DisplayResolution.cs b/Source/OpenTK/DisplayResolution.cs
index 3d5b17b8..703a203b 100644
--- a/Source/OpenTK/DisplayResolution.cs
+++ b/Source/OpenTK/DisplayResolution.cs
@@ -53,7 +53,7 @@ namespace OpenTK
         /// <param name="width">The requested width in pixels.</param>
         /// <param name="height">The requested height in pixels.</param>
         /// <param name="bitsPerPixel">The requested bits per pixel in bits.</param>
-        /// <param name="refreshRate">The requested refresh rate in Herz.</param>
+        /// <param name="refreshRate">The requested refresh rate in hertz.</param>
         /// <remarks>OpenTK will select the closest match between all available resolutions on the specified DisplayDevice.</remarks>
         /// 
         public DisplayResolution(int width, int height, int bitsPerPixel, float refreshRate, DisplayDevice device)
diff --git a/Source/OpenTK/GameWindow.cs b/Source/OpenTK/GameWindow.cs
index 6ccf3124..d997db77 100644
--- a/Source/OpenTK/GameWindow.cs
+++ b/Source/OpenTK/GameWindow.cs
@@ -616,7 +616,7 @@ namespace OpenTK
         #region RenderFrequency
 
         /// <summary>
-        /// Gets a double representing the actual frequency of RenderFrame events, in Herz (i.e. FPS or Frames Per Second).
+        /// Gets a double representing the actual frequency of RenderFrame events, in hertz (i.e. fps or frames per second).
         /// </summary>
         public double RenderFrequency
         {
@@ -671,7 +671,7 @@ namespace OpenTK
         #region TargetRenderFrequency
 
         /// <summary>
-        /// Gets or sets a double representing the target render frequency, in Herz.
+        /// Gets or sets a double representing the target render frequency, in hertz.
         /// </summary>
         /// <remarks>
         /// <para>A value of 0.0 indicates that RenderFrame events are generated at the maximum possible frequency (i.e. only limited by the hardware's capabilities).</para>
@@ -739,7 +739,7 @@ namespace OpenTK
         #region TargetUpdateFrequency
 
         /// <summary>
-        /// Gets or sets a double representing the target update frequency, in Herz.
+        /// Gets or sets a double representing the target update frequency, in hertz.
         /// </summary>
         /// <remarks>
         /// <para>A value of 0.0 indicates that UpdateFrame events are generated at the maximum possible frequency (i.e. only limited by the hardware's capabilities).</para>
@@ -807,7 +807,7 @@ namespace OpenTK
         #region UpdateFrequency
 
         /// <summary>
-        /// Gets a double representing the frequency of UpdateFrame events, in Herz.
+        /// Gets a double representing the frequency of UpdateFrame events, in hertz.
         /// </summary>
         public double UpdateFrequency
         {