diff --git a/user_guide_src/source/models/entities.rst b/user_guide_src/source/models/entities.rst
index 096fc72d1aa3..e6b5168e92cc 100644
--- a/user_guide_src/source/models/entities.rst
+++ b/user_guide_src/source/models/entities.rst
@@ -347,7 +347,7 @@ the value whenever the property is set::
 
     class User extends Entity
     {
-        protected $casts => [
+        protected $casts = [
             'options' => 'array',
 		    'options_object' => 'json',
 		    'options_array' => 'json-array'