I have heard about the alterations, but I fail to see what new meaning might be ascribed in making those changes. All I have been able to comprehend is that the act is not common.

[There is no hiding the look of embarrassment on Alucard's face at admitting ignorance. It feels an oversight. Something else he could have done to end this earlier.

In leaning back in his chair, Alucard tries to think of anything else that might be useful. Speculation from the Summoned left at Sam's house, tiny details, the smallest thread that could be relevant.]

If you were to make an assumption though. Or hint at making one, in that it might make some tiny detail come into focus.