diff --git a/PLUGINS.md b/PLUGINS.md
index ca3d47ce7..1f8569029 100644
--- a/PLUGINS.md
+++ b/PLUGINS.md
@@ -197,6 +197,10 @@ module.exports = {
     colour: COLOUR!
   }
 
+  type RootMutation {
+    createPerson(name: String!): Person
+  }
+
   type RootQuery {
     people: [Person!]
   }