refine the readme

README.md

@@ -691,7 +691,7 @@ The publish RTMP benchmark by [SB](https://github.com/simple-rtmp-server/srs-ben
 |   2014-12-03  |   2.0.12  |   1.2k(1200)  |   publishers  |   96%     |   43MB    |   -           |
 |   2014-12-03  |   2.0.47  |   1.2k(1200)  |   publishers  |   84%     |   76MB    |   [code][p1]  |
 |   2014-12-03  |   2.0.47  |   1.4k(1400)  |   publishers  |   95%     |   140MB   |   -           |
-|   2014-12-03  |   2.0.48  |   1.4k(1400   |   publishers  |   95%     |   140MB   |   [code][p2]  |
+|   2014-12-03  |   2.0.48  |   1.4k(1400)  |   publishers  |   95%     |   140MB   |   [code][p2]  |
 |   2014-12-04  |   2.0.49  |   1.4k(1400)  |   publishers  |   68%     |   144MB   |   -           |
 |   2014-12-04  |   2.0.49  |   2.5k(2500)  |   publishers  |   95%     |   404MB   |   [code][p3]  |
 |   2014-12-04  |   2.0.51  |   2.5k(2500)  |   publishers  |   91%     |   259MB   |   [code][p4]  |