Added appropriate comma within comment.

sdk/lib/core/list.dart

@@ -607,7 +607,7 @@ abstract class List<E> implements EfficientLengthIterable<E> {
    * Returns an [Iterable] that iterates over the objects in the range
    * [start] inclusive to [end] exclusive.
    *
-   * The provide range, given by [start] and [end], must be valid at the time
+   * The provided range, given by [start] and [end], must be valid at the time
    * of the call.
    *
    * A range from [start] to [end] is valid if `0 <= start <= end <= len`, where
@@ -636,7 +636,7 @@ abstract class List<E> implements EfficientLengthIterable<E> {
    *     list1.setRange(1, 3, list2, 3);
    *     list1.join(', '); // '1, 8, 9, 4'
    *
-   * The provide range, given by [start] and [end], must be valid.
+   * The provided range, given by [start] and [end], must be valid.
    * A range from [start] to [end] is valid if `0 <= start <= end <= len`, where
    * `len` is this list's `length`. The range starts at `start` and has length
    * `end - start`. An empty range (with `end == start`) is valid.
@@ -656,7 +656,7 @@ abstract class List<E> implements EfficientLengthIterable<E> {
   /**
    * Removes the objects in the range [start] inclusive to [end] exclusive.
    *
-   * The provide range, given by [start] and [end], must be valid.
+   * The provided range, given by [start] and [end], must be valid.
    * A range from [start] to [end] is valid if `0 <= start <= end <= len`, where
    * `len` is this list's `length`. The range starts at `start` and has length
    * `end - start`. An empty range (with `end == start`) is valid.
@@ -670,7 +670,7 @@ abstract class List<E> implements EfficientLengthIterable<E> {
    * Sets the objects in the range [start] inclusive to [end] exclusive
    * to the given [fillValue].
    *
-   * The provide range, given by [start] and [end], must be valid.
+   * The provided range, given by [start] and [end], must be valid.
    * A range from [start] to [end] is valid if `0 <= start <= end <= len`, where
    * `len` is this list's `length`. The range starts at `start` and has length
    * `end - start`. An empty range (with `end == start`) is valid.
@@ -685,7 +685,7 @@ abstract class List<E> implements EfficientLengthIterable<E> {
    *     list.replaceRange(1, 4, [6, 7]);
    *     list.join(', '); // '1, 6, 7, 5'
    *
-   * The provide range, given by [start] and [end], must be valid.
+   * The provided range, given by [start] and [end], must be valid.
    * A range from [start] to [end] is valid if `0 <= start <= end <= len`, where
    * `len` is this list's `length`. The range starts at `start` and has length
    * `end - start`. An empty range (with `end == start`) is valid.

sdk/lib/developer/developer.dart

@@ -30,7 +30,7 @@ part 'timeline.dart';
 /// Returns the value of [when]. Some debuggers may display [message].
 ///
 /// NOTE: When invoked, the isolate will not return until a debugger
-/// continues execution. When running in the Dart VM the behaviour is the same
+/// continues execution. When running in the Dart VM, the behaviour is the same
 /// regardless of whether or not a debugger is connected. When compiled to
 /// JavaScript, this uses the "debugger" statement, and behaves exactly as
 /// that does.

sdk/lib/isolate/isolate.dart

@@ -40,7 +40,7 @@ class IsolateSpawnException implements Exception {
  *
  * An `Isolate` object is a reference to an isolate, usually different from
  * the current isolate.
- * It represents, and can be used control, the other isolate.
+ * It represents, and can be used to control, the other isolate.
  *
  * When spawning a new isolate, the spawning isolate receives an `Isolate`
  * object representing the new isolate when the spawn operation succeeds.