Fix misspellings #127

Job	Run time
lowest_environment_checks (pylint python3-hypothesis python3-hs-dbus-signature, PYTHONPATH=./src ...	1m 12s
development_environment_checks (black python3-isort, make -f Makefile fmt-travis)	1m 2s
lowest_environment_checks (python3-hypothesis python3-hs-dbus-signature, PYTHONPATH=./src make -f...	55s
development_environment_checks (yamllint, make -f Makefile yamllint)	1m 2s
lowest_environment_checks (python3-setuptools, make legacy-package)	56s
development_environment_checks (pylint python3-hypothesis, PYTHONPATH=./src:/github/home/.local/l...	1m 5s
development_environment_checks (python3-hypothesis, PYTHONPATH=./src make -f Makefile test)	1m 16s
development_environment_checks (python3-coverage python3-hypothesis, PYTHONPATH=./src make -f Mak...	1m 3s
	8m 31s

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