Docs(lib/extract_if): Unify paragraph about elements mutation

Take the one from `BTreeMap` that seems the best-worded and most
precise among the available variations.

Signed-off-by: Paul Mabileau <paul.mabileau@harfanglab.fr>

1 files changed, 2 insertions, 2 deletions

diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs
index 9732d2c2d5c..5e053d36448 100644
--- a/library/std/src/collections/hash/map.rs
+++ b/library/std/src/collections/hash/map.rs
@@ -654,8 +654,8 @@ impl<K, V, S> HashMap<K, V, S> {
     /// yielded. If the closure returns `false`, or panics, the element remains
     /// in the map and will not be yielded.
     ///
-    /// Note that `extract_if` lets you mutate every value in the filter closure, regardless of
-    /// whether you choose to keep or remove it.
+    /// The iterator also lets you mutate the value of each element in the
+    /// closure, regardless of whether you choose to keep or remove it.
     ///
     /// If the returned `ExtractIf` is not exhausted, e.g. because it is dropped without iterating
     /// or the iteration short-circuits, then the remaining elements will be retained.