Fix file name

Author: SachaG

packages/getting-started/lib/components/steps/Step15.jsx

@@ -10,7 +10,7 @@ One of Vulcan's great features is that it can generate forms for you from a coll
 
 Additionally, in this case since we want our movie to show up in the same list as all the others once it's inserted, we'll specify a \`mutationFragmentName\` option to make sure the movie we get back from the server after the mutation has the same "shape" as the one already loaded on the client (including our special \`user\` field). 
 
-Find \`createMovie.jsx\` and add the following:
+Find \`MoviesNew.jsx\` and add the following:
 `,`
 ~~~js
 <Components.SmartForm collection={Movies} mutationFragmentName="MoviesFragment"/>