Typo
diff --git a/src/visit/traversal.rs b/src/visit/traversal.rs
index b99f1e2..9aa6f93 100644
--- a/src/visit/traversal.rs
+++ b/src/visit/traversal.rs
@@ -109,7 +109,7 @@
 }
 
 /// Visit nodes in a depth-first-search (DFS) emitting nodes in postorder
-/// (each node after all its decendants have been emitted).
+/// (each node after all its descendants have been emitted).
 ///
 /// `DfsPostOrder` is not recursive.
 ///