Clarifies use of username field in documentation #17

Job	Run time
Docker Build	6m 31s
ubuntu-latest - Ruby 3.2 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content" REMOTE_DB=1	6m 4s
ubuntu-latest - Ruby 3.3 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content" REMOTE_DB=1	5m 29s
ubuntu-latest - Ruby 3.3 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content"	5m 25s
ubuntu-latest - Ruby 3.3 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag ~content" REMOTE_DB=1	10m 16s
ubuntu-latest - Ruby 3.2 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag ~content"	11m 7s
ubuntu-latest - Ruby 3.2 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content" MSF_FEATURE_DEFER_MODULE_LOADS=1	5m 50s
ubuntu-latest - Ruby 3.3 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag ~content"	11m 3s
ubuntu-latest - Ruby 3.4 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content" REMOTE_DB=1	6m 26s
ubuntu-latest - Ruby 3.4 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag ~content"	11m 7s
ubuntu-latest - Ruby 3.2 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content"	5m 58s
ubuntu-latest - Ruby 3.2 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag ~content" REMOTE_DB=1	10m 30s
ubuntu-latest - Ruby 3.4 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content"	6m 33s
ubuntu-latest - Ruby 3.4 - bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag ~content" REMOTE_DB=1	10m 57s
	1h 53m 16s

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