Minor typo/bug fixes (#945) #900

Job	Run time
linux-64-py3.10	11m 10s
Estimation Mode Unit Tests	22m 9s
prototype_mtc_extended	1h 13m 55s
macOS	6m 43s
prototype_marin	7m 29s
win-64	16m 44s
prototype_mtc	45m 25s
placeholder_psrc	36m 50s
prototype_sandag_xborder	9m 50s
Standard 1-Zone Example (MTC)	48m 6s
random_seed_generation_test	8m 59s
placeholder_sandag	1h 58m 6s
placeholder_multiple_zone	14m 1s
prototype_mwcog	42m 31s
develop-docbuild	3m 24s
production_semcog	11m 16s
Standard 2-Zone Example (SANDAG)	53m 46s
	8h 50m 24s

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