Fix typos in MathComponent tutorial #1929

[usamahz]

Originating Project/Creator	fprime
Affected Component	docs/Tutorials/MathComponent
Affected Architectures(s)	N/A
Related Issue(s)	#1929
Has Unit Tests (y/n)	n
Builds Without Errors (y/n)	N/A
Unit Tests Pass (y/n)	N/A
Documentation Included (y/n)	N/A

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Change Description

Change the typo how to now

Rationale

In docs/Tutorials/MathComponent/Tutorial.md and docs/Tutorials/MathComponent/md/Tutorial.md, line 2113 and line 1788, ends with how when it should say now.

Testing/Review Recommendations

N/A

Future Work

N/A

[LeStarch]

We know why this failed, and so we'll merge.