Update 2020-7-20-pytorch-1.6-released.md

Author: brucejlin1

_posts/2020-7-20-pytorch-1.6-released.md

@@ -68,16 +68,16 @@ print(prof.key_averages().table(sort_by="self_cpu_time_total"))
  ```
 
 ```python
------------------------------------ --------------- --------------- ---------------
-Name Self CPU total CPU time avg Number of Calls CPU Mem
------------------------------------ --------------- --------------- ---------------
-mul 32.048ms 32.048ms 200 800 b
-pow 27.041ms 27.041ms 200 800 b
-PowBackward0 9.727ms 55.483ms 100
-torch::autograd::AccumulateGrad 9.148ms 9.148ms 100
-torch::autograd::GraphRoot 691.816us 691.816us 100
------------------------------------ --------------- --------------- ---------------
- ```
+----------                      ---------   -------------  ---------------   -------
+Name Self                       CPU total   CPU time avg   Number of Calls   CPU Mem
+----------                      ---------   -------------  ---------------   -------
+mul                             32.048ms    32.048ms       200               800 b
+pow                             27.041ms    27.041ms       200               800 b
+PowBackward                     09.727ms    55.483ms       100
+torch::autograd::AccumulateGrad 9.148ms     9.148ms        100
+torch::autograd::GraphRoot      691.816us   691.816us      100
+----------                      ---------   -------------  ---------------   -------
+```
 
 * Design doc ([Link](https://github.com/pytorch/pytorch/pull/37775))
 * Documentation ([Link](https://pytorch.org/docs/stable/autograd.html#profiler))