docs(examples): fix subject-verb agreement in examples README #2385

Job	Run time
checks / readme-snippets	11s
checks / pre-commit	35s
checks / test (3.11, lowest-direct, windows-latest)	3m 8s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 4s
checks / test (3.12, lowest-direct, windows-latest)	3m 29s
checks / test (3.11, locked, windows-latest)	2m 32s
checks / test (3.10, lowest-direct, windows-latest)	3m 26s
checks / test (3.10, locked, windows-latest)	2m 44s
checks / test (3.10, locked, ubuntu-latest)	57s
checks / test (3.12, locked, ubuntu-latest)	1m 8s
checks / test (3.11, locked, ubuntu-latest)	46s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 4s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 10s
checks / test (3.14, locked, windows-latest)	3m 57s
checks / test (3.13, lowest-direct, windows-latest)	2m 44s
checks / test (3.12, locked, windows-latest)	3m 28s
checks / test (3.13, locked, ubuntu-latest)	55s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 28s
checks / test (3.14, locked, ubuntu-latest)	2m 29s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 4s
checks / test (3.13, locked, windows-latest)	3m 18s
checks / test (3.14, lowest-direct, windows-latest)	1m 54s
all-green	3s
	43m 34s

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