diff --git a/source/reference/api/start.txt b/source/reference/api/start.txt
index b6d8989c1..969e51416 100644
--- a/source/reference/api/start.txt
+++ b/source/reference/api/start.txt
@@ -92,7 +92,7 @@ Request Body Parameters
      - Name of the destination cluster.
 
    * - ``buildIndexes``
-     - boolean
+     - string
      - Optional
      - Configures index builds during sync.