fix(gui): typos in ui text; update changelog #73

Job	Run time
Test documentation build	51s
Lint & Test (macos-12)	3m 32s
CodeQL (javascript)	42s
Lint & Test (windows-2022)	4m 1s
Test Briefcase build (macos-12)	5m 37s
CodeQL (python)	1m 49s
Lint & Test (ubuntu-22.04)	1m 51s
Test Briefcase build (windows-2022)	6m 20s
Test Briefcase build (ubuntu-22.04)	3m 11s
Test Python package build (macos-12)	39s
Test Python package build (windows-2022)	53s
Test Python package build (ubuntu-22.04)	19s
Deploy github pages	1m 13s
Upload coverage	2s
Briefcase build & draft release	0s
Publish to PyPi	0s
	31m 0s

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