Update README.md

README.md

@@ -132,7 +132,7 @@ Average: 44.38%
 |hellaswag    |      1|none  |None  |acc     |0.6309|±  |0.0048|
 |             |       |none  |None  |acc_norm|0.8323|±  |0.0037|
 |openbookqa   |      1|none  |None  |acc     |0.326 |±  |0.0210|
-|             |       |none  |None  |acc_norm|0.470| ±  |0.0223
+|             |       |none  |None  |acc_norm|0.470| ±  |0.0223|
 |piqa         |      1|none  |None  |acc     |0.8237|±  |0.0089|
 |             |       |none  |None  |acc_norm|0.8335|±  |0.0087|
 |winogrande   |      1|none  |None  |acc     |0.7466|±  |0.0122|