Tiny typo fix

--
MOS_MIGRATED_REVID=103387106
diff --git a/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java b/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java
index 0ba0d79..12cc1dd 100644
--- a/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java
+++ b/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java
@@ -117,9 +117,7 @@
     }
   }
   
-  /**
-   * An general interface for ParalleelEvaluator to receive objects of type T.
-   */
+  /** An general interface for {@link ParallelEvaluator} to receive objects of type {@code T}. */
   public interface Receiver<T> {
     // TODO(dmarting): should we just make it a common object for all Bazel codebase?
     /**