User:CmdrDan/Questions: Category Redirects

What's up with category redirects??

Example:
 * This page, I mean, this category: Category:St. Paul's School (Concord, New Hampshire) alumni

Category:St. Paul's School (New Hampshire) alumni
 * redirects to, this category:

doesn't list any redirects: https://en.wikipedia.org/w/index.php?title=Category:St._Paul%27s_School_(New_Hampshire)_alumni&action=info
 * but, this page--Page information about the above category:

Why???