HTML-Foundations: removing ambiguity for learner

[bhagyeshsp]

The present wording doesn't tell which parts to watch. For example, there were comments on part-1 video asking how many parts to watch. Mentioning explicitly would save trial-and-error for learners who don't want to skip content.

Because

The present wording introduces ambiguity to a learner about which parts of Kevin's videos should be watched. This PR suggests clarifying that part-1 should be watched.

This PR

• On line-48, added "this part-1 of"

Issue

Closes #XXXXX

Additional Information

Pull Request Requirements

• [x] I have thoroughly read and understand The Odin Project curriculum contributing guide
• [x] The title of this PR follows the location of change: brief description of change format, e.g. Intro to HTML and CSS lesson: Fix link text
• [x] The Because section summarizes the reason for this PR
• [x] The This PR section has a bullet point list describing the changes in this PR
• [ ] If this PR addresses an open issue, it is linked in the Issue section
• [ ] If any lesson files are included in this PR, they have been previewed with the Markdown preview tool to ensure it is formatted correctly
• [ ] If any lesson files are included in this PR, they follow the Layout Style Guide