https://github.com/redis/redis/blob/42e4241ecee472fc2341660e29652f0e2a485453/src/rax.c#L355

"plus thre bytes of padding" changed to "plus there bytes of padding"

This should be "three bytes of padding".

Comment From: enjoy-binbin

oops, it look like me (my mistake), can you submit a PR to fix it?