Improve wording for StepBy

No other iterator makes the distinction between an iterator and an iterator adapter
in its summary line, so change it to be consistent with all other adapters.

diff --git a/src/libcore/iter/mod.rs b/src/libcore/iter/mod.rs
index 7907f2fd66126c9d87097c3377618b67e932aac0..14b87f42f6a79e8fa9cb2e0dee26b8e04204c84a 100644 (file)
--- a/src/libcore/iter/mod.rs
+++ b/src/libcore/iter/mod.rs
@@ -546,7 +546,7 @@ fn size_hint(&self) -> (usize, Option<usize>) {
 #[unstable(feature = "fused", issue = "35602")]
 impl<I> FusedIterator for Cycle<I> where I: Clone + Iterator {}
 
-/// An adapter for stepping iterators by a custom amount.
+/// An iterator for stepping iterators by a custom amount.
 ///
 /// This `struct` is created by the [`step_by`] method on [`Iterator`]. See
 /// its documentation for more.