Fix a typo in beginners guide #5525

Job	Run time
build_windows (3.9)	1h 0m 10s
build_linux (3.9)	37m 21s
build_windows (3.10)	1h 3m 36s
build_linux (3.10)	37m 8s
build_windows (3.11)	1h 3m 0s
build_linux (3.11)	37m 3s
build_windows (3.12)	1h 5m 53s
build_linux (3.12)	38m 24s
build_windows (3.13)	1h 11m 48s
build_linux (3.13)	37m 38s
array-api-conformity (3.10, false, ubuntu-22.04)	5m 32s
test_examples_linux (3.11, false, ubuntu-22.04)	8m 14s
test_linux (3.9, false, ubuntu-22.04)	11m 36s
test_linux (3.10, false, ubuntu-22.04)	10m 54s
test_linux (3.11, false, ubuntu-22.04)	11m 15s
test_linux (3.12, false, ubuntu-22.04)	11m 15s
test_linux (3.13, false, ubuntu-22.04)	10m 54s
upload_linux	0s
test_windows (3.9, false, windows-2019)	14m 1s
test_windows (3.10, false, windows-2019)	14m 34s
test_windows (3.11, false, windows-2019)	14m 24s
test_windows (3.12, false, windows-2019)	15m 45s
test_windows (3.13, false, windows-2019)	14m 14s
upload_windows	0s
Clean up anaconda packages	0s
	10h 54m 39s

Provide feedback