Backport PR #11342 on branch v2.2.2-doc#11343

jklymak merged 1 commit intov2.2.2-docmatplotlib/matplotlib:v2.2.2-docfrom

auto-backport-of-pr-11342-on-v2.2.2-docmatplotlib/matplotlib:auto-backport-of-pr-11342-on-v2.2.2-docCopy head branch name to clipboard