Address typos on start on home strings

[Amejia481]

Pull Request checklist

• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features. In addition, it includes a screenshot of a successful accessibility scan to ensure no new defects are added to the product.

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2. click Details next to "Taskcluster (pull_request)" after it appears and then finishes with a green checkmark,
3. click on the "Fenix - assemble" task, then click "Run Artifacts".
4. the APK links should be on the left side of the screen, named for each CPU architecture

[codecov-commenter]

Codecov Report

Merging #19903 (0630a49) into master (f0bb70e) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master   #19903      +/-   ##
============================================
+ Coverage     36.73%   36.76%   +0.02%     
- Complexity     1618     1619       +1     
============================================
  Files           534      534              
  Lines         20911    20911              
  Branches       3109     3109              
============================================
+ Hits           7682     7687       +5     
+ Misses        12349    12340       -9     
- Partials        880      884       +4     

Impacted Files	Coverage Δ
...c/main/java/org/mozilla/fenix/home/HomeFragment.kt	3.42% <0.00%> (+1.00%)	⬆️

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