diff --git a/doc/concepts/decor.rst b/doc/concepts/decor.rst
index f06b1be9b77976afb93f104fd1adf091322cd66f..2fd773000fe7fc98d7c3e2ca3ee9e91e350f7de1 100644
--- a/doc/concepts/decor.rst
+++ b/doc/concepts/decor.rst
@@ -100,7 +100,7 @@ specialised on specific regions.
         import arbor
 
         # Create an empty decor.
-        decor = arbor.decor
+        decor = arbor.decor()
 
         # Set cell-wide properties that will be applied by default to the entire cell.
         decor.set_properties(Vm=-70, cm=0.02, rL=30, tempK=30+273.5)