Update workflow.rst

Gun5m0k3 · javiereguiluz · commit f11b79790928 · 2019-04-26T08:45:34.000+02:00
diff --git a/workflow.rst b/workflow.rst
@@ -431,7 +431,7 @@ transition. The value of this option is any valid expression created with the
                         to:   published
                     reject:
                         # or any valid expression language with "subject" referring to the post
-                        guard: "has_role("ROLE_ADMIN") and subject.isStatusReviewed()"
+                        guard: "has_role('ROLE_ADMIN') and subject.isStatusReviewed()"
                         from: reviewed
                         to:   rejected
 
