diff --git a/core/src/main/java/org/elasticsearch/index/engine/Engine.java b/core/src/main/java/org/elasticsearch/index/engine/Engine.java
index 8fabb570df0..224165fdc64 100644
--- a/core/src/main/java/org/elasticsearch/index/engine/Engine.java
+++ b/core/src/main/java/org/elasticsearch/index/engine/Engine.java
@@ -1047,12 +1047,11 @@ public abstract class Engine implements Closeable {
     }
 
     /**
-     * Retuns the timestamp of the last write in nanoseconds.
+     * Returns the timestamp of the last write in nanoseconds.
      * Note: this time might not be absolutely accurate since the {@link Operation#startTime()} is used which might be
      * slightly inaccurate.
      * @see System#nanoTime()
      * @see Operation#startTime()
-     * @return
      */
     public long getLastWriteNanos() {
         return this.lastWriteNanos;
diff --git a/core/src/main/java/org/elasticsearch/index/engine/InternalEngine.java b/core/src/main/java/org/elasticsearch/index/engine/InternalEngine.java
index f7e9ac17746..5d3b9388582 100644
--- a/core/src/main/java/org/elasticsearch/index/engine/InternalEngine.java
+++ b/core/src/main/java/org/elasticsearch/index/engine/InternalEngine.java
@@ -588,7 +588,7 @@ public class InternalEngine extends Engine {
             throw new EngineException(shardId, "failed to renew sync commit", ex);
         }
         if (renewed) { // refresh outside of the write lock
-            refresh("version_table_flush");
+            refresh("renew sync commit");
         }
 
         return renewed;