diff --git a/PROMS/Volian.Controls.Library/RTBItem.cs b/PROMS/Volian.Controls.Library/RTBItem.cs
index c29a53df..6e638496 100644
--- a/PROMS/Volian.Controls.Library/RTBItem.cs
+++ b/PROMS/Volian.Controls.Library/RTBItem.cs
@@ -178,9 +178,11 @@ namespace Volian.Controls.Library
 						// In the following if statement, the last part, 'IsHigh & PageBreakOnStep' (PageBreakOnStep
 						// flags background steps and IsHigh is for the HLS - Cautions/Notes were ok), was added
 						// for hls in background documents - without this, the tab gets overwritten by the rtb.
+						// B2017-184:  in the following if statement, added the SpecialCaseCalvertAlarm flag & 20002 so that, in the default text size setting of the windows display
+						//	the last 'W' of 'WINDOW' tab (for the Device window step type, 20002) would not get cut off.
 						if (MyItemInfo.FormatStepData == null || MyItemInfo.FormatStepData.TabData.IdentEdit.Contains("{Section Prefix}") || !MyItemInfo.IsHigh ||
-							(MyItemInfo.IsHigh && MyItemInfo.FormatStepData.PageBreakOnStep))
-						_MyStepRTB.Left = lblTab.Left + lblTab.Width;
+							(MyItemInfo.IsHigh && MyItemInfo.FormatStepData.PageBreakOnStep) || (MyItemInfo.ActiveFormat.PlantFormat.FormatData.PrintData.SpecialCaseCalvertAlarm && MyItemInfo.MyContent.Type == 20002))
+							_MyStepRTB.Left = lblTab.Left + lblTab.Width;
 						_MyStepRTB.Width = Width - _MyStepRTB.Left - RTBMargin - CheckOffMargin;
 					}
 					_TabFormat = value;