fix: typos in documentation files

[leopardracer]

This pull request contains changes to improve clarity, correctness and structure.
Description correction:

Corrected "modulor" to "modular" and also added extra spaces in the sentence.
Please review the changes and let me know if any additional changes are needed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.27%. Comparing base (2469e7a) to head (022f276).
Report is 392 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3923      +/-   ##
==========================================
+ Coverage   44.83%   45.27%   +0.43%     
==========================================
  Files         265      308      +43     
  Lines       14620    21874    +7254     
==========================================
+ Hits         6555     9903    +3348     
- Misses       7313    10893    +3580     
- Partials      752     1078     +326     

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[leopardracer]

@cristaloleg Hello, do you have any comments on my PR?

[leopardracer]

@vgonkivs Hi! Apologies for the inconvenience. I just wanted to check if there’s anything I can improve in my pull request. Please feel free to ask any questions or let me know if any changes are needed to meet the project's merge requirements. I’m happy to make adjustments!

[leopardracer]

@cristaloleg Hi,do I need to make any additional changes before merging?