fix dox

Author: molpopgen

src/trees/treeseq.rs

@@ -477,7 +477,7 @@ impl TreeSequence {
         handle_tsk_return_value!(rv, crate::ProvenanceId::from(rv))
     }
 
-    /// Build a lending iterator over edge differences.
+    /// Build an iterator over edge differences.
     pub fn edge_differences_iter(&self) -> crate::edge_differences::EdgeDifferencesIterator {
         crate::edge_differences::EdgeDifferencesIterator::new(self)
     }