Misc typo fixes

[BrettDong]

Summary

None

Purpose of change

Found a few typos with Python spell checker and fixed them.

Describe the solution

Describe alternatives you've considered

Testing

Additional context

[github-actions]

Spell checker encountered unrecognized words in the in-game text added in this pull request. See below for details.

Click to expand

• A white odorless strongly hygroscopic powder with an extremely salty taste. Often used as a de-icing agent or as desiccant.
• Still dressed in the ragged remains of deep blue naval fatigues, it’s clear that this walking corpse was once a sailor of some description. The US Navy’s insignia is embroidered on the shredded sleeve and shoulder of its bloodied jacket, the dead crewman’s battered cap is beaten into the remains of its fractured skull and its inky black eyes are scanning the area around it as dark ooze drips from its limply hanging maw.

This alert is automatically generated. You can simply disregard if this is inaccurate, or (optionally) you can also add the new words to tools/spell_checker/dictionary.txt so they will not trigger an alert next time.

[NetSysFire]

Theres the "envirament" file, which looks typoed, but its probably out of scope for this PR.