diff --git a/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala b/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala
index a8ef7fa8b63eb..f3e1c38744d78 100644
--- a/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala
+++ b/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala
@@ -50,7 +50,7 @@ private[spark] class DiskBlockManager(shuffleManager: ShuffleBlockManager, rootD
   addShutdownHook()
 
   /**
-   * Returns the phyiscal file segment in which the given BlockId is located.
+   * Returns the physical file segment in which the given BlockId is located.
    * If the BlockId has been mapped to a specific FileSegment, that will be returned.
    * Otherwise, we assume the Block is mapped to a whole file identified by the BlockId directly.
    */