diff --git a/docs/manual/source/customize/dase.html.md.erb b/docs/manual/source/customize/dase.html.md.erb
index 25f036afbc..01a045f3ce 100644
--- a/docs/manual/source/customize/dase.html.md.erb
+++ b/docs/manual/source/customize/dase.html.md.erb
@@ -130,7 +130,7 @@ For example, the following code show how you could retrieve properties of the "i
 
       try {
         val item = Item(
-          a = preopties.get[Int]("a"),
+          a = properties.get[Int]("a"),
           b = properties.get[String]("b"),
           c = properties.get[List[String]]("c"),
           d = properties.get[List[Double]]("d"),