Fix character case in headline

[CassioLeodegario]

What type of PR is this? (check all applicable)

• [ ] Refactor
• [ ] Feature
• [x] Bug Fix
• [ ] Enhancement
• [ ] Documentation Update

What I did

• Fix small typo in how the word "I' was being used

[vercel[bot]]

Someone is attempting to deploy a commit to a Personal Account owned by @maurodesouza on Vercel.

@maurodesouza first needs to authorize it.

[maurodesouza]

Hi @CassioLeodegario 👋

I am very grateful that you contributed to the project ❤ but your commit is not following the style guide, please consider create a new branch, redoing your commit and opening a new PR.

Suggestions:

• Commit:

  
  🐛 fix: spelling mistake

Close #5

*By writing `Close #{Issue number}` in the commit footer, the PR will automatically link to the issue and close it when the PR is merged* 🤖

- Branch: `fix/spelling-mistake`

##
*About the style guide for commit, you can find it [here](https://github.com/maurodesouza/profile-readme-generator/blob/main/.github/CONTRIBUTING.md#commiting)*.

*About the guide for PR, you cand find it [here](https://github.com/maurodesouza/profile-readme-generator/blob/main/.github/CONTRIBUTING.md#submitting-a-pull-request)*.

### ❌ Closed PR
**Reasons**:

1. **Commit not following style guide**.

- Commit subject without type;
- Commit subject without emoji related to type;
- Commit subject is not all lowercase;

2. **PR not following the guide.**

- No branch created.

[CassioLeodegario]

Hi, @maurodesouza

Thanks for your feedback and sorry for not looking for the CONTRIBUTING.md file

I'm adressing a new PR right now, I hope to be compliant this time 😁