1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib.rs b/src/lib.rs
index c13943d..4eb712a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -19,7 +19,7 @@
 //!   label: The first step
 //! ").unwrap();
 //!
-//! let n = r.step_names();
+//! let n: Vec<&str> = r.step_names().collect();
 //! assert_eq!(n.len(), 2);
 //! assert!(n.contains(&"first"));
 //! assert!(n.contains(&"endgoal"));