Fix typo (gatsbyjs#3477)

LekoArts · jastack · commit 84c31f603204 · 2018-01-24T13:45:25.000-08:00
diff --git a/packages/gatsby-plugin-create-client-paths/README.md b/packages/gatsby-plugin-create-client-paths/README.md
@@ -1,7 +1,7 @@
 # gatsby-plugin-create-client-paths
 
 Use this plugin to simplify creating a “hybrid” Gatsby app with both statically
-rendered pages as well as "client-paths". These paths exist exist on the client
+rendered pages as well as "client-paths". These paths exist on the client
 only and do not correspond to `index.html` files in an app's built assets.
 
 ## Usage
