diff --git a/docs/source/migration-two-dot.md b/docs/source/migration-two-dot.md
index a82b78a8..9dd283ea 100644
--- a/docs/source/migration-two-dot.md
+++ b/docs/source/migration-two-dot.md
@@ -120,7 +120,7 @@ const resolvers = {
 };
 
 const server = new ApolloServer({ typeDefs, resolvers });
-server.applyMiddleware({ server });
+server.applyMiddleware({ app });
 
 app.listen({ port: 4000 }, () =>
   console.log(`🚀 Server ready at http://localhost:4000${server.graphqlPath}`)