Slight code formatting tweaks

Author: hwillson

src/content/code/language-support/java-kotlin-android/server/spring-graphql.md

@@ -8,24 +8,26 @@ Spring for GraphQL provides support for Spring applications built on
 [GraphQL Java](https://www.graphql-java.com/).
 
 * It is a joint collaboration between the GraphQL Java team and Spring engineering.
-* Our shared philosophy is to provide as little opinion as we can while focusing on comprehensive support for a wide range of use cases. 
+* Our shared philosophy is to provide as little opinion as we can while focusing on comprehensive support for a wide range of use cases.
 * It aims to be the foundation for all Spring, GraphQL applications.
 
 Features:
 
 * Server handling of GraphQL requests over HTTP, WebSocket, and RSocket.
 * An annotation-based programming model where @Controller components use annotations to declare handler methods with flexible method signatures to fetch the data for specific GraphQL fields. For example:
+
 ```java
 @Controller
 public class GreetingController {
 
-			@QueryMapping
-			public String hello() {
-				return "Hello, world!";
-			}
+    @QueryMapping
+    public String hello() {
+        return "Hello, world!";
+    }
 
-	}
+}
 ```
+
 * Client support for executing GraphQL requests over HTTP, WebSocket, and RSocket.
 * Dedicated support for testing GraphQL requests over HTTP, WebSocket, and RSocket, as well as for testing directly against a server.