Adapted doc strings

8 jobs for relaxationrates in 26 minutes and 18 seconds (queued for 2 seconds)
Name Stage Failure
ubuntu Test
113.59s call     lbmpy_tests/centeredcumulant/[False-D3Q19]
110.90s call lbmpy_tests/phasefield/test_entropic_model.ipynb::lbmpy_tests/phasefield/test_entropic_model.ipynb
110.72s call lbmpy_tests/[D3Q27-monomial]
====== 13 failed, 526 passed, 12 skipped, 1106 warnings in 768.08 seconds ======
Uploading artifacts for failed job
Uploading artifacts...
report.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... ok
id=654819 responseStatus=201 Created token=wYMBVyxW
Cleaning up file based variables
ERROR: Job failed: exit code 1