Doc: add a missing period (GH-21819) (#21932)

(cherry picked from commit 12695f4c6d1167c0863098a586f3dfeb77a7cb9a)

Co-authored-by: Mathieu Dupuy <deronnax@gmail.com>

Co-authored-by: Mathieu Dupuy <deronnax@gmail.com>
1 file changed