Updated docs: modified text for saving "pixel-exact" images, and Cart.VCenter range.

docs/index.html

@@ -3172,9 +3172,9 @@
           <tr><td>Save path</td><td>Specifies where to save snapshots</td><td>-snapsavedir</td></tr>
         <!--<tr><td>Load path</td><td>Specifies where to load snapshots</td><td>-snaploaddir</td></tr>  -->
           <tr><td>Continuous snapshot interval</td><td>Interval (in seconds) between snapshots</td><td>-ssinterval</td></tr>
-          <tr><td>Use actual ROM name</td><td>Use the actual ROM filename instead of the internal database name.</td><td>-snapname</td></tr>
+          <tr><td>Use actual ROM name</td><td>Use the actual ROM filename instead of the internal database name</td><td>-snapname</td></tr>
           <tr><td>Overwrite existing files</td><td>Whether to overwrite old snapshots</td><td>-sssingle</td></tr>
-          <tr><td>Ignore scaling (1x mode)</td><td>Save snapshot in 1x mode without scaling</td><td>-ss1x</td></tr>
+          <tr><td>Create pixel-exact image (no zoom/post-processing)</td><td>Save snapshot using the exact pixels from the TIA image, without zoom or any post-processing effects</td><td>-ss1x</td></tr>
         </table>
       </td>
     </tr>
@@ -4081,7 +4081,7 @@ Ms Pac-Man (Stella extended codes):
     <tr>
       <td VALIGN="TOP"><i>Display.VCenter:</i></td>
       <td>Indicates the offset for the vertical center of the display.
-      The value must be <i>n</i> such that -5 &lt;= <i>n</i> &lt;= 5.
+      The value must be <i>n</i> such that -20 &lt;= <i>n</i> &lt;= 20.
       </td>
     </tr>
 

src/gui/SnapshotDialog.cxx

@@ -89,7 +89,7 @@ SnapshotDialog::SnapshotDialog(OSystem& osystem, DialogContainer& parent,
   // Snapshot in 1x mode (ignore scaling)
   ypos += lineHeight + VGAP;
   mySnap1x = new CheckboxWidget(this, font, xpos, ypos,
-                                "Ignore scaling (1x mode)");
+      "Create pixel-exact image (no zoom/post-processing)");
   wid.push_back(mySnap1x);
 
   // Add Defaults, OK and Cancel buttons