Typo and syntax fixes to transform docstrings

[adamjstewart]

No description provided.

[codecov-io]

Codecov Report

Merging #887 into master will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #887      +/-   ##
=========================================
+ Coverage   56.61%   56.7%   +0.08%     
=========================================
  Files          38      38              
  Lines        3432    3432              
  Branches      540     540              
=========================================
+ Hits         1943    1946       +3     
+ Misses       1372    1369       -3     
  Partials      117     117

Impacted Files	Coverage Δ
torchvision/transforms/transforms.py	82.54% <ø> (+0.64%)	⬆️
torchvision/datasets/imagenet.py	21.55% <0%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d534785...ef258a9. Read the comment docs.

[fmassa]

Thanks!