Backport PR #15486 on branch v3.1.x (Fixes an error in the documentation of Ellipse)#15494

timhoffm merged 1 commit intomatplotlib:v3.1.xmatplotlib/matplotlib:v3.1.xfrom

meeseeksmachine:auto-backport-of-pr-15486-on-v3.1.xmeeseeksmachine/matplotlib:auto-backport-of-pr-15486-on-v3.1.xCopy head branch name to clipboard