Merge pull request #188 from nickdbush/patch-1

Fix typo in README.md

Author: sibelius

README.md

@@ -10,7 +10,7 @@ TypeScript support, including emitting type definitions.
 Add the package to your dev dependencies:
 
 ```
-yarn add graphql graphql-compiler --dev
+yarn add graphql relay-compiler --dev
 yarn add typescript relay-compiler-language-typescript --dev
 ```