diff --git a/MaterialProgressBar.md b/MaterialProgressBar.md
index 250e541..7cf78b9 100644
--- a/MaterialProgressBar.md
+++ b/MaterialProgressBar.md
@@ -10,8 +10,8 @@ The MaterialProgressBar represents a linear progress bar that uses the material
 ### Properties
 | Property | Description |
 | --- | --- |
-| IndeterminateIndicatorMaxLength | Gets or sets the maximum length of the progress bar’s indicator, in percent, when the the progress bar has an indetermined range. (Inherited from Xceed.Wpf.Toolkit.MaterialProgressBarBase) |
-| IndeterminateIndicatorMinLength | Gets or sets the minimum length of the progress bar’s indicator, in percent, when the the progress bar has an indetermined range. (Inherited from Xceed.Wpf.Toolkit.MaterialProgressBarBase) |
+| IndeterminateIndicatorMaxLength | Gets or sets the maximum length of the progress bar’s indicator, in percent, when the the progress bar has an undetermined range. (Inherited from Xceed.Wpf.Toolkit.MaterialProgressBarBase) |
+| IndeterminateIndicatorMinLength | Gets or sets the minimum length of the progress bar’s indicator, in percent, when the the progress bar has an undetermined range. (Inherited from Xceed.Wpf.Toolkit.MaterialProgressBarBase) |
 | IndeterminateIndicatorSpeedRatio | Gets or sets the speed ratio of the progress bar’s indicator when the the progress bar has an indetermined range. (Inherited from Xceed.Wpf.Toolkit.MaterialProgressBarBase) |
 | MaterialAccent | Gets or sets a value representing the material color palette that will be applied to the control. (Inherited from Xceed.Wpf.Toolkit.MaterialProgressBarBase) |
 | MaterialAccentBrush | Gets or sets the color that will be used as the control's border. (Inherited from Xceed.Wpf.Toolkit.MaterialProgressBarBase) |