https://www.theonering.com/wp-content/uploads/2024/12/The-Ho...
This version says it’s the 1937 edition. It has the pre change story about Gollum offering the ring which Tolkien said is what he changed. But it also says he was a small slimy creature.
Neither the "before" nor "after" here have "small slimy"
https://www.ringgame.net/riddles.html