Fix typo

docker/README.md

docker/complement/Dockerfile

docs/consent_tracking.md

docs/development/git.md

docs/development/synapse_architecture/streams.md

docs/metrics-howto.md

docs/modules/writing_a_module.md

docs/sso_mapping_providers.md

docs/systemd-with-workers/README.md

docs/templates.md

docs/upgrade.md

docs/usage/administration/request_log.md

...istration/understanding_synapse_through_grafana_graphs.md

docs/usage/configuration/config_documentation.md

docs/welcome_and_overview.md

scripts-dev/next_github_number.sh

scripts-dev/release.py