diff --git a/docs/debugger.html b/docs/debugger.html
index 10c43e512..6af0123c9 100644
--- a/docs/debugger.html
+++ b/docs/debugger.html
@@ -348,27 +348,27 @@ size can be configured e.g. in the
     <td>Frame+1</td>
   </tr>
   <tr>
-    <td>Control-r</td>
+    <td>Alt-Left arrow</td>
     <td>Rewind 1</td>
   </tr>
   <tr>
-    <td>Control-Shift-r</td>
+    <td>Shift-Alt-Left arrow</td>
     <td>Rewind 10</td>
   </tr>
   <tr>
-    <td>Control-Alt-r</td>
+    <td>Alt-Down arrow</td>
     <td>Rewind all</td>
   </tr>
   <tr>
-    <td>Control-y</td>
+    <td>Alt-Right arrow</td>
     <td>Unwind 1</td>
   </tr>
   <tr>
-    <td>Control-Shift-y</td>
+    <td>Shift-Alt-Right arrow</td>
     <td>Unwind 10</td>
   </tr>
   <tr>
-    <td>Control-Alt-y</td>
+    <td>Alt-Up arrow</td>
     <td>Unwind all</td>
   </tr>
   <tr>
@@ -377,6 +377,7 @@ size can be configured e.g. in the
   </tr>
 </table>
 </p>
+For MacOS use 'Cmd' instead of &nbsp;'Alt' key.
 <p>To the left of the global buttons, you find the "Options..." button.</p>
 <ul>
   <p><img src="graphics/debugger_options.png"></p>