message: fix typo in bench.md
diff: @@ -30,7 +30,7 @@ Provided at `tests/jsonSample/*`.
  **Results on Apple Silicon**
  -| DataSet | Parser | Bytes/second | /seccond |
  +| DataSet | Parser | Bytes/second | JSON Objects/seccond |
  | ------- | ------ | --------- | ------------ |
  |small.json | vpack | 321259472.38 bytes/s | 3180786.86 |
  |small.json | rapidjson | 251331260.01 bytes/s | 2488428.32 |
  @@ -86,7 +86,7 @@ Provided at `tests/jsonSample/*`.
  **Results on Intel Chip**
  -| DataSet | Parser | ec | document/sec |
  +| DataSet | Parser | Bytes/second | JSON Objects/second |
  | ------- | ------ | --------- | ------------ |
  |small.json | vpack | 187441229.00 bytes/s | 2285868.65 |
  |small.json | rapidjson | 131513417.47 bytes/s | 1603822.16 |
  