Updated documentation.

HSLdevcom · Oct 16, 2018 · a2d0557 · a2d0557
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commit a2d0557
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diff --git a/README.md b/README.md
@@ -6,6 +6,8 @@ Real-time, updating public transport info display that aggregates OpenTripPlanne
 
 `npm install`
 
+If using npm version <4, also run `npm run prepare`
+
 ## Compiling and running.
 
 To run the graphql server: `tsc && node build build/dist/graphQL/server.js`