Fix a few dartdoc comments

sdk/lib/io/socket.dart

Index: sdk/lib/io/socket.dart
diff --git a/sdk/lib/io/socket.dart b/sdk/lib/io/socket.dart
index 1680f6b805f37c7bdcf360fb0842dac4bfec840b..ac3444c1e68b586d880014fca9387cdc3d913b92 100644
--- a/sdk/lib/io/socket.dart
+++ b/sdk/lib/io/socket.dart
@@ -125,7 +125,7 @@ class RawSocketEvent {
  */
 abstract class RawSocket implements Stream<RawSocketEvent> {
   /**
-   * Creats a new socket connection to the host and port and returns a [Future]
+   * Creates a new socket connection to the host and port and returns a [Future]
    * that will complete with either a [RawSocket] once connected or an error
    * if the host-lookup or connection failed.
    */
@@ -216,7 +216,7 @@ abstract class Socket implements Stream<List<int>>,
                                  IOSink<Socket> {
   /**
    * Creats a new socket connection to the host and port and returns a [Future]
-   * that will complete with either a [RawSocket] once connected or an error
+   * that will complete with either a [Socket] once connected or an error
    * if the host-lookup or connection failed.
    */
   external static Future<Socket> connect(String host, int port);