It could be interpreted as you saying it's the only source of the Word of God ... whereas the Holy Spirit is obviously not "the Bible," and yet still expresses the Word of God.
And to be honest, I'm not really sure even what you mean by "repository."
The Holy Spirit is not a “repository” of God. The HS is God. At least, we trinitarians believe that. I’m assuming you are a trinitarian.
God, however, has seen fit to speak through His servants, the prophets, and the NT contains instances of prophets still being prompted to deliver specific messages to God’s people, none of which rises to the level of Holy Scripture.