Merge pull request #656 from sutra/master

docs: fix anchors #enable-graphql-playground and #enable-graphql-voyager

Author: setchy

README.md

@@ -28,13 +28,13 @@ and join the team!
 - [Enable GraphQL Servlet](#enable-graphql-servlet)
 - [Enable Graph*i*QL](#enable-graphiql)
 - [Enable Altair](#enable-altair)
-- [Enable GraphQL Playground](#enable-graphql-voyager)
+- [Enable GraphQL Playground](#enable-graphql-playground)
   - [Basic settings](#basic-settings)
   - [CDN](#cdn)
   - [Custom static resources](#custom-static-resources)
   - [Customizing GraphQL Playground](#customizing-graphql-playground)
   - [Tabs](#tabs)
-- [Enable GraphQL Voyager](#enable-graphql-playground)
+- [Enable GraphQL Voyager](#enable-graphql-voyager)
   - [Basic settings](#graphql-voyager-basic-settings)
   - [CDN](#graphql-voyager-cdn)
   - [Customizing GraphQL Voyager](#customizing-graphql-voyager)