diff --git a/lib/rake/dsl_definition.rb b/lib/rake/dsl_definition.rb
index c80464020..27969d69e 100644
--- a/lib/rake/dsl_definition.rb
+++ b/lib/rake/dsl_definition.rb
@@ -158,7 +158,7 @@ def rule(*args, &block) # :doc:
     #
     # Example:
     #   desc "Run the Unit Tests"
-    #   task test: [:build]
+    #   task test: [:build] do
     #     # ... run tests
     #   end
     #