Fix reference copy pasted from Excel reader

[thec0dewriter]

Fix reference copy pasted from Excel reader

Description

Motivation and Context

The notebook is for Power Point parsing but mentions Excel parsing

How Has This Been Tested?

Not tested it's just for documentation correctness.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Code improvements with no or little impact
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING page.
• I have added tests to cover my changes.
• All new and existing tests passed.

[DevinTDHa]

Hi @thec0dewriter,

Thanks a lot for this, and thank you for your contribution! I will include this in our next release.