update docs

.github/ISSUE_TEMPLATE.md

 Bug Reports/Feature Requests/Usage Questions Only:
 
 Bug Reports: PLEASE always include
-1. What you did. (command you run if using examples; post or describe your code if not)
+1. What you did. (command you run and changes you made if using examples; post or describe your code if not)
 2. What you observed, e.g. logs.
 3. What you expected, if not obvious.
 4. Your environment (TF version, cudnn version, number & type of GPUs), if it matters.

examples/FasterRCNN/README.md

@@ -56,7 +56,7 @@ MaskRCNN results contain both bbox and segm mAP.
 | Res50 | 64 | (600, 1024) | 33.0 | 22h on 8 P100 |
 | Res50 | 256 | (600, 1024) | 34.4 | 49h on 8 M40 |
 | Res50 | 512 | (800, 1333) | 35.6 | 55h on 8 P100|
-| Res50 | 512 | (800, 1333) | 36.9/32.3 | 59h on 8 P100|
+| Res50 | 256 | (800, 1333) | 36.9/32.3 | 39h on 8 P100|
 | Res101 | 512 | (800, 1333) | 40.1/34.4 | 70h on 8 P100|
 
 Note that these models are trained with a larger ROI batch size than the paper,