Fix typo in Minitron GPQA score.

README.md

@@ -143,8 +143,8 @@ We report in the following table our internal pipeline benchmarks.
             <td>GPQA (0-shot)</td>
             <td>27.5</td>
             <td>27.5</td>
-            <td><b>38.6</b></td>
-            <td>31.2</td>
+            <td>28.6</td>
+            <td><b>31.2</b></td>
         </tr>
         <tr>
             <td>MUSR (0-shot)</td>