diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
index 8946b0a8aaa..34c380c032a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
@@ -1196,7 +1196,7 @@ public class HBaseAdmin implements Abortable, Closeable {
 
   /**
    * Flush a table or an individual region.
-   * Asynchronous operation.
+   * Synchronous operation.
    *
    * @param tableNameOrRegionName table or region to flush
    * @throws IOException if a remote or network exception occurs
@@ -1209,7 +1209,7 @@ public class HBaseAdmin implements Abortable, Closeable {
 
   /**
    * Flush a table or an individual region.
-   * Asynchronous operation.
+   * Synchronous operation.
    *
    * @param tableNameOrRegionName table or region to flush
    * @throws IOException if a remote or network exception occurs