Yes, as being baptized in water was for Jews to prepare them for the coming Messiah. And I stand corrected regarding it being for remission of sin but that is not how our sins are pardoned now. Being baptized into Christ's death is for remission of sin and that occurs when we are baptized with the Holy Spirit. Christ's death is for our remission of sin.
Matthew 26:28
For this is My blood of the new covenant, which is shed for many for the remission of sins.
Romans 6:2-3
2 Certainly not! How shall we who died to sin live any longer in it? 3 Or do you not know that as many of us as were baptized into Christ Jesus were baptized into His death?
You don't forget memories, one forgets events, conversations, faces etc. Memories are what one remembers.
And what followed in your post didn't help at all, it just muddied the water. Peter realised that being baptized in the Spirit was all that was necessary.
We do not add anything to remit our sins, that is the work of Christ and we are incorporated into that work when we believe on His name and are baptized with the Holy Spirit.
Peter getting it wrong is a blessing because it gives us hope for our own mistakes as no-ones theology is perfect.