[CHANGE #495] improved the help text

src/gui/qt4/OpenWalnutHelp.html

@@ -3,8 +3,8 @@
 <tr><td><b><i>Mouse Button&nbsp;&nbsp;</i></b></td><td><b><i>Action</i></b></td></tr>
 <tr><td>Left</td><td>Rotate</td></tr>
 <tr><td>Middle</td><td>Pan</td></tr>
-<tr><td>Right</td><td>Pick, move ROI box or move slice</td></tr>
-<tr><td>Right + Shift</td><td>Resize ROI box</td></tr>
+<tr><td>Right</td><td>Pick, move ROI box, or move slice</td></tr>
+<tr><td>Right + [Shift]</td><td>Resize ROI box</td></tr>
 <tr><td>Wheel</td><td>Zoom</td></tr>
 <tr><td><b><i>Key</i></b></td><td><b><i>Action</i></b></td></tr>
 <tr><td>+</td><td>Zoom in</td></tr>
@@ -24,7 +24,7 @@
 <h3>Program-wide Keyboard Shortcuts</h3>
 <table>
 <tr><td><b><i>Key</i></b></td><td><b><i>Action</i></b></td></tr>
-<tr><td>Ctrl + q</td><td>Quit</td></tr>
-<tr><td>Esc</td><td>Resets main view</td></tr>
-<tr><td>F1</td><td>Opens this help window</td></tr>
+<tr><td>[Ctrl] + q</td><td>Quit</td></tr>
+<tr><td>[Esc]</td><td>Resets main view</td></tr>
+<tr><td>[F1]</td><td>Opens help window</td></tr>
 </table>
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