diff --git a/stella/docs/debugger.html b/stella/docs/debugger.html
index 1fe074e01..a5494c169 100644
--- a/stella/docs/debugger.html
+++ b/stella/docs/debugger.html
@@ -462,8 +462,8 @@ Stella debugger.</p>
 <tr><td> _reset</td><td> !(*SWCHB &amp; $02)</td><td> Game Reset pressed</td></tr>
 <tr><td> _color</td><td> *SWCHB &amp; $08</td><td> Color/BW set to Color</td></tr>
 <tr><td> _bw</td><td> !(*SWCHB &amp; $08)</td><td> Color/BW set to BW</td></tr>
-<tr><td> _diff0b</td><td> !(*SWCHB &amp; $40)</td><td> Right difficulty set to B (easy)</td></tr>
-<tr><td> _diff0a</td><td> *SWCHB &amp; $40</td><td> Right difficulty set to A (hard)</td></tr>
+<tr><td> _diff0b</td><td> !(*SWCHB &amp; $40)</td><td> Left difficulty set to B (easy)</td></tr>
+<tr><td> _diff0a</td><td> *SWCHB &amp; $40</td><td> Left difficulty set to A (hard)</td></tr>
 <tr><td> _diff1b</td><td> !(*SWCHB &amp; $80)</td><td> Right difficulty set to B (easy)</td></tr>
 <tr><td> _diff1a</td><td> *SWCHB &amp; $80</td><td> Right difficulty set to A (hard)</td></tr>
 </table>