Comment: Yes, except the new URL would

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In reply to comment: i agree with this (see in situ)

Yes, except the new URL would

Yes, except the new URL would be in the format of facebook.com/new-title.

You can't change the URL from:

facebook.com/pages/original-title/some-numbers

to:

facebook.com/pages/new-title/some-numbers

... Which means that "RIP Victoria Soto" was the original page title created on december 10th.

See my responses to TxRedneck for a more detailed explanation