Fixed some mistakes in manual for functions #3287

Job	Run time
conda / conda (ubuntu-20.04)	11m 23s
linux / linux (-doc-mpi-)	36m 21s
conda / conda (macos-13)	32m 12s
docker / docker (fedora39)	20m 16s
linux / linux (-mpi-)	50m 18s
codecheck / codecheck	44m 7s
conda / conda (macos-14)	7m 0s
docker / docker (rocky8)	24m 30s
linux / linux (-coverage-mpi-)	1h 3m 45s
linux / linux (-debug-)	31m 42s
linux / linux (-debug-mpi-)	41m 57s
mac / macports (macos-13)	15m 33s
mac / macsimple (macos-13)	10m 15s
linux / linux (-intel-)	45m 35s
mac / macports (+allmodules, macos-13)	22m 57s
mac / macsimple (macos-14)	4m 48s
linux / linux (-pycv-mpi-)	18m 18s
linux / linux (-nvhpc-mpi-)	57m 13s
	8h 58m 10s

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