diff --git a/library/std/src/collections/mod.rs b/library/std/src/collections/mod.rs
index a1aab767eb26f..80a13d52a2a27 100644
--- a/library/std/src/collections/mod.rs
+++ b/library/std/src/collections/mod.rs
@@ -110,10 +110,10 @@
 //!
 //! For Sets, all operations have the cost of the equivalent Map operation.
 //!
-//! |              | get       | insert    | remove    | predecessor | append |
-//! |--------------|-----------|-----------|-----------|-------------|--------|
-//! | [`HashMap`]  | O(1)~     | O(1)~*    | O(1)~     | N/A         | N/A    |
-//! | [`BTreeMap`] | O(log(n)) | O(log(n)) | O(log(n)) | O(log(n))   | O(n+m) |
+//! |              | get       | insert    | remove    | range     | append |
+//! |--------------|-----------|-----------|-----------|-----------|--------|
+//! | [`HashMap`]  | O(1)~     | O(1)~*    | O(1)~     | N/A       | N/A    |
+//! | [`BTreeMap`] | O(log(n)) | O(log(n)) | O(log(n)) | O(log(n)) | O(n+m) |
 //!
 //! # Correct and Efficient Usage of Collections
 //!