diff --git a/trimsp/TrimSPGUI/TrimSPGUI.ui.h b/trimsp/TrimSPGUI/TrimSPGUI.ui.h
index b71b19d..d412a93 100644
--- a/trimsp/TrimSPGUI/TrimSPGUI.ui.h
+++ b/trimsp/TrimSPGUI/TrimSPGUI.ui.h
@@ -162,14 +162,15 @@ void TrimSPGUI::OpenHelpWindow()
 {
     my $HelpText="
 This is a GUI that uses the Trim.SP simulation binary to calculate the 
-implantation profiles if implanted projectiles in a multilayer thin film 
-structures.
+implantation profiles of implanted projectiles in a multilayer thin film 
+structure.
 		 
 Usage:
     
-   Initially define your multilayer structure. This can be formed of a maximum
-of 7 layers. Each layer is defined by giving its chemical formula, its 
-density in units of g/cm^3, and its thickness in Ångstrom.
+   Initially define your multilayer structure in the 'Layers' tab. This 
+can be formed of a maximum of 7 layers. Each layer is defined by giving 
+its chemical formula, its density in units of g/cm^3, and its thickness
+in Ångström.
 	    
    Next, choose the type of projectile to be implanted in the structure from
 the drop-down menu. Set the 'Number of projectiles' to be implanted, were
@@ -181,7 +182,7 @@ input/output file names of the simulation. These files will be collected and
 saved in the subdirectory provided in 'Save in subdirectory' box.
 	    
    The 'Additional Parameters' tab allows you to change additional parameters
-In the simulation. Change these only if you know what you are doing, and have
+in the simulation. Change these only if you know what you are doing, and have
 read the original documentation of the Trim.SP simulation.
 	    
    The 'Scans' tabs provides the ability to change the value of a certain 
@@ -189,13 +190,13 @@ parameter in the simulation, such as implantation energy, spread in energy,
 number of implanted projectiles, and the thickness of one layer. The values of
 this parameter can be changed by a regualr step size ('Loop' checkbox and
 parameters), or following a set of values ('List of values' checkbox and the 
-comma separated values).
-	    
-   For more details click on the question mark on the top right corner, and then
-click on the item you want to lear about.
-	    
-Copyright 2009 (C) by Zaher Salman and the LEM Group
-Version 14 Sep. 2009
+comma separated values). In the second case, in addition to the scanned 
+parameter, the user may be given an option to change another parameter. For 
+example, when scanning through a list of energies, the user may give a 
+corresponding depth increment for each energy value.
+	    	    
+Copyright 2009-2011 (C) by Zaher Salman and the LEM Group
+Version 23 Sep. 2011
     ";
     my $HelpWindow = Qt::MessageBox::information( this, "TrimSP GUI Help Window",$HelpText);
 }