diff --git a/sdk/lib/core/map.dart b/sdk/lib/core/map.dart
index 42b606a0965..0c2f586c930 100644
--- a/sdk/lib/core/map.dart
+++ b/sdk/lib/core/map.dart
@@ -358,7 +358,7 @@ abstract class Map<K, V> {
    *
    * The values are iterated in the order of their corresponding keys.
    * This means that iterating [keys] and [values] in parallel will
-   * provided matching pairs of keys and values.
+   * provide matching pairs of keys and values.
    *
    * The returned iterable has an efficient `length` method based on the
    * [length] of the map. Its [Iterable.contains] method is based on