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-rw-r--r--src/libcollections/slice.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libcollections/slice.rs b/src/libcollections/slice.rs
index ea4830fc3e6..869e7a0b383 100644
--- a/src/libcollections/slice.rs
+++ b/src/libcollections/slice.rs
@@ -732,6 +732,8 @@ impl<T> [T] {
     ///
     /// This is equivalent to `self.sort_by(|a, b| a.cmp(b))`.
     ///
+    /// This is a stable sort.
+    ///
     /// # Examples
     ///
     /// ```rust