Physical_Engine: Fix typo and punctuations

[robinflyman]

Closes #2780

Fixed a typo and fixed the compliance warnings from https://github.com/BHoM/BHoM_Engine/pull/2759/files

[jamesramsden-bh]

All typos fixed by inspection. No code changed. All seems compliant.

[jamesramsden-bh]

@BHoMBot check required

[bhombot-ci]

@jamesramsden-bh to confirm, the following checks are now queued:

• code-compliance
• documentation-compliance
• project-compliance
• core
• null-handling
• serialisation
• versioning
• installer

There are 12 requests in the queue ahead of you.

[FraserGreenroyd]

Please specify the primary engine being updated by these changes in the PR title.

Some of the descriptions on some of those methods are absolutely ridiculous, but I know that's not down to you @robinflyman and is outside the scope of this PR but yikes can we do a session on revamping these at some point when there's some downtime @jamesramsden-bh @IsakNaslundBh

[FraserGreenroyd]

@BHoMBot check copyright-compliance
@BHoMBot check dataset-compliance
@BHoMBot check ready-to-merge

[bhombot-ci]

@FraserGreenroyd to confirm, the following checks are now queued:

• copyright-compliance
• dataset-compliance
• ready-to-merge

[FraserGreenroyd]

Requested changes have been made.

[bhombot-ci]

FAO: @FraserGreenroyd
@FraserGreenroyd is seeking dispensation on this Pull Request to skip a required check. Please can you provide authorisation for the check to be skipped, or provide assistance as appropriate.

The check they wish to have dispensation on is ready-to-merge.

If you are providing dispensation on this occasion, please reply with:

@BHoMBot this is a DevOps instruction. I am authorising dispensation to be granted on check ref. 5990998702

[FraserGreenroyd]

@BHoMBot this is a DevOps instruction. I am authorising dispensation to be granted on check ref. 5990998702

[bhombot-ci]

@FraserGreenroyd I have now provided a passing check on reference 5990998702 as requested.