Fixed A-P to P-A in coord systems docs

[soupault]

No description provided.

[codecov]

Codecov Report

Merging #823 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #823   +/-   ##
======================================
  Coverage    90.1%   90.1%           
======================================
  Files          96      96           
  Lines       11910   11910           
  Branches     2125    2125           
======================================
  Hits        10731   10731           
  Misses        834     834           
  Partials      345     345

---

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 370b50f...f84b665. Read the comment docs.

[matthew-brett]

Good catches - thanks.