[docs] Cosmetic improvement + few minor fixes in the doc

7 jobs for docs-cosmetic-improvements in 15 minutes and 46 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #28795
build:3

00:00:56

 
  Test
passed #28798
load-modules:3

00:01:44

passed #28796
pyflakes:3

00:01:59

passed #28797
pyflakes-strict:3

00:02:10

passed #28799
unittests:3

00:01:48

failed #28800
allowed to fail
unittests-modules:3

00:11:56

 
  Deploy
passed #28801
doc:3

00:01:03

 
Name Stage Failure
failed
unittests-modules:3 Test
-----------------------------------------------------------------------
TOTAL 70566 41185 42%
----------------------------------------------------------------------
Ran 370 tests in 614.137s

FAILED (SKIP=112, errors=157, failures=31)
=== Total coverage ===
MODULES COVERAGE: 42%
ERROR: Job failed: exit code 1