impl<'a, K: 'a, V: 'a> NodeRef<marker::Mut<'a>, K, V, marker::LeafOrInternal> {
/// Stocks up a possibly underfull node by merging with or stealing from a
- /// sibling. If succesful but at the cost of shrinking the parent node,
+ /// sibling. If successful but at the cost of shrinking the parent node,
/// returns that shrunk parent node. Returns an `Err` if the node is
/// an empty root.
fn fix_node_through_parent(