Broken "Improve this page" link and timestamp at bottom of Profile Resolution documentation page

[joshualubell]

Describe the bug

Clicking on "Improve this page" link results in a 404. Also "last updated" timestamp is January 1, 0001.

Who is the bug affecting?

Readers of the Profile Resolution documentation.

What is affected by this bug?

https://pages.nist.gov/OSCAL/documentation/processing/profile-resolution/

When does this occur?

When a user wants to suggest improvements to the page or wants to know when the page was last updated.

How do we replicate the issue?

1. Go to https://pages.nist.gov/OSCAL/documentation/processing/profile-resolution/
2. Scroll to the bottom of the page.
3. Look at "last updated"
4. Click on "Improve this page" link.

Expected behavior (i.e. solution)

Correct timestamp and functioning "Improve this page" link

[david-waltermire]

Closed by merging PR #995 with modifications.