diff --git a/lib/rake/dsl_definition.rb b/lib/rake/dsl_definition.rb
index 27969d69e..a9dd9f820 100644
--- a/lib/rake/dsl_definition.rb
+++ b/lib/rake/dsl_definition.rb
@@ -145,7 +145,7 @@ def namespace(name=nil, &block) # :doc:
     #
     # Example:
     #  rule '.o' => '.c' do |t|
-    #    sh 'cc', '-o', t.name, t.source
+    #    sh 'cc', '-c', '-o', t.name, t.source
     #  end
     #
     def rule(*args, &block) # :doc: