diff --git a/source/reference/mongorestore.txt b/source/reference/mongorestore.txt
index 6a7a308f2a9..72af961b1e8 100644
--- a/source/reference/mongorestore.txt
+++ b/source/reference/mongorestore.txt
@@ -190,6 +190,12 @@ Options
    database. By default, :program:`mongorestore` waits for the write
    operation to return on 1 member of the set (i.e. the
    :term:`primary`.)
+   
+   .. versionchanged:: 2.3.2
+   
+   Effective with MongoDB 2.3.2 the default :term:`write concern` used
+   by :program:`mongorestore` is now 0, disabling basic acknowledgment of
+   write operations.
 
 .. option:: --noOptionsRestore