diff --git a/doc/9-object-types.md b/doc/9-object-types.md
index 98e00c556..53fdada97 100644
--- a/doc/9-object-types.md
+++ b/doc/9-object-types.md
@@ -199,7 +199,9 @@ Example:
 
     library "checker"
 
-    object CheckerComponent "checker" { }
+    object CheckerComponent "checker" {
+      concurrent_checks = 512
+    }
 
 Configuration Attributes: