resolve doc and test's name

Author: jx158167

core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala

@@ -587,8 +587,8 @@ object ShuffleBlockFetcherIterator {
    * Result of a fetch from a remote block successfully.
    * @param blockId block id
    * @param address BlockManager that the block was fetched from.
-   * @param size estimated size of the block, used to calculate bytesInFlight.
-   *             Note that this is NOT the exact bytes.
+   * @param size estimated size of the block. Note that this is NOT the exact bytes.
+    *            Size of remote block is used to calculate bytesInFlight.
    * @param buf `ManagedBuffer` for the content.
    * @param isNetworkReqDone Is this the last network request for this host in this fetch request.
    */

core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala

@@ -352,7 +352,7 @@ class ShuffleBlockFetcherIteratorSuite extends SparkFunSuite with PrivateMethodT
     intercept[FetchFailedException] { iterator.next() }
   }
 
-  test("big corrupt blocks will not be retiried") {
+  test("big blocks are not checked for corruption") {
     val corruptStream = mock(classOf[InputStream])
     when(corruptStream.read(any(), any(), any())).thenThrow(new IOException("corrupt"))
     val corruptBuffer = mock(classOf[ManagedBuffer])