[count-your-change]

“CYC, Olog, webboy —> this excerpt from scripture does indicate a Trinity, correct?”

Not correct. This is not part of Scripture. It's a later addition by someone other than John.

“That these words are spurious and have no right to stand in the New Testament is certain in the light of the following considerations.

(A) EXTERNAL EVIDENCE. (1) The passage is absent from every known Greek manuscript except eight, and these contain the passage in what appears to be a translation from a late recension of the Latin Vulgate.”

A TEXTUAL COMMENTARY ON THE GREEK NEW TESTAMENT second ed. by Bruce M. Metzger page 647.

Metzger then list the eight manuscripts and further evidence that the passage is not part of John's writing.

How the passage might have entered the Latin Vulgate is unstated.

[Cronos]

Not correct. This is not part of Scripture. It's a later addition by someone other than John.

My mistake -- I forgot that that was the Comma Johanneum