Small fix to documentation of MolInfo #3266

Job	Run time
codecheck / codecheck	43m 23s
mac / macports (macos-13)	16m 4s
mac / macsimple (macos-13)	13m 43s
mac / macports (+allmodules, macos-13)	22m 18s
linux / linux (-doc-mpi-)	35m 1s
mac / macsimple (macos-14)	4m 59s
linux / linux (-mpi-)	50m 17s
conda / conda (ubuntu-20.04)	11m 17s
linux / linux (-coverage-mpi-)	1h 1m 52s
conda / conda (macos-13)	20m 0s
linux / linux (-debug-)	30m 15s
docker / docker (fedora39)	19m 47s
conda / conda (macos-14)	7m 35s
linux / linux (-debug-mpi-)	41m 50s
docker / docker (rocky8)	23m 53s
linux / linux (-intel-)	46m 24s
linux / linux (-pycv-mpi-)	18m 15s
linux / linux (-nvhpc-mpi-)	54m 58s
	8h 41m 51s

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