From ac06fee5a38a6759158c1d3c82cf36073185bb90 Mon Sep 17 00:00:00 2001
From: Jake Goulding <jake.goulding@gmail.com>
Date: Fri, 15 Jan 2016 11:49:43 -0500
Subject: [PATCH] BTreeSet::insert returns false when key already exists

---
 src/libcollections/btree/set.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcollections/btree/set.rs b/src/libcollections/btree/set.rs
index 55e9e3a1c34bb..c1381dde762e5 100644
--- a/src/libcollections/btree/set.rs
+++ b/src/libcollections/btree/set.rs
@@ -453,7 +453,7 @@ impl<T: Ord> BTreeSet<T> {
     ///
     /// If the set did not have a value present, `true` is returned.
     ///
-    /// If the set did have this key present, that value is returned, and the
+    /// If the set did have this key present, `false` is returned, and the
     /// entry is not updated. See the [module-level documentation] for more.
     ///
     /// [module-level documentation]: index.html#insert-and-complex-keys