correct comments in FeignClient, SendResponseFilter, RibbonRoutingFilter (#1935)

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/feign/FeignClient.java

@@ -107,7 +107,7 @@ public @interface FeignClient {
 	String path() default "";
 
 	/**
-	 * Whether to mark the feign proxy as a primary bean. Defaults to false.
+	 * Whether to mark the feign proxy as a primary bean. Defaults to true.
 	 */
 	boolean primary() default true;
 

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/zuul/filters/post/SendResponseFilter.java

@@ -71,7 +71,7 @@ public class SendResponseFilter extends ZuulFilter {
 
 	public SendResponseFilter() {
 		super();
-		// To support Servlet API 3.0.1 we need to check if setcontentLengthLong exists
+		// To support Servlet API 3.1 we need to check if setContentLengthLong exists
 		try {
 			HttpServletResponse.class.getMethod("setContentLengthLong");
 		} catch(NoSuchMethodException e) {

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/zuul/filters/route/RibbonRoutingFilter.java

@@ -68,7 +68,7 @@ public class RibbonRoutingFilter extends ZuulFilter {
 		this.helper = helper;
 		this.ribbonCommandFactory = ribbonCommandFactory;
 		this.requestCustomizers = requestCustomizers;
-		// To support Servlet API 3.0.1 we need to check if getcontentLengthLong exists
+		// To support Servlet API 3.1 we need to check if getContentLengthLong exists
 		try {
 			HttpServletRequest.class.getMethod("getContentLengthLong");
 		} catch(NoSuchMethodException e) {