fix fail merge symfony#12146 (comment)

Author: noniagriconomie

components/workflow.rst

@@ -83,7 +83,7 @@ you can retreive a workflow from it and use it as follows::
 
     // ...
     // Consider that $blogPost is in place "draft" by default
-    // Consider that $post is in state "draft" by default
+    // Consider that $blogPost is in state "draft" by default
     $blogPost = new BlogPost();
     $workflow = $registry->get($blogPost);