Remove extra period in documentation.

6 jobs for patch-1 in 6 minutes and 1 second (queued for 2 seconds)
Status Job ID Name Coverage
  Review
manual #51088
docker allowed to fail manual
review_docs
manual #51087
docker allowed to fail manual
review_front
 
  Lint
passed #51089
black

00:01:12

passed #51090
flake8

00:00:50

 
  Test
passed #51091
docker
test_api

00:04:49

passed #51092
docker
test_front

00:02:10