Cleaned up grammar and punctuation

[ternera]

I fixed some grammar and punctuation that was incorrect.

[iMartzen]

Hi @ternera ! Thanks for you MR and taking the time to make our repo better!
I reviewed it, can you respond to the questions? 👍

[ternera]

Hi @ternera ! Thanks for you MR and taking the time to make our repo better! I reviewed it, can you respond to the questions? 👍

Hi! Can you please specify which questions I should answer? Thank you.

[iMartzen]

Hi @ternera, See questions I've added during the review.

[ternera]

Hi @ternera, See questions I've added during the review.

Hello @iMartzen. I may be missing something, but it doesn't show on my end that you reviewed it.

[iMartzen]

Can you try to find out about my review while using this documentation?: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/about-pull-request-reviews

I left a comment on the following:

• sessions/mm/s01/mobile_hacking.md
• sessions/mm/s02/industry_certificates.md

[ternera]

Can you try to find out about my review while using this documentation?: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/about-pull-request-reviews

I left a comment on the following:

• sessions/mm/s01/mobile_hacking.md
• sessions/mm/s02/industry_certificates.md

It says there are no conversations...