Fixing javadoc error
diff --git a/jetty-proxy/src/main/java/org/eclipse/jetty/proxy/ProxyServlet.java b/jetty-proxy/src/main/java/org/eclipse/jetty/proxy/ProxyServlet.java
index 98a25f7..f10ca71 100644
--- a/jetty-proxy/src/main/java/org/eclipse/jetty/proxy/ProxyServlet.java
+++ b/jetty-proxy/src/main/java/org/eclipse/jetty/proxy/ProxyServlet.java
@@ -33,7 +33,9 @@
import java.util.concurrent.TimeoutException;
import javax.servlet.AsyncContext;
+import javax.servlet.GenericServlet;
import javax.servlet.ServletConfig;
+import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.UnavailableException;
import javax.servlet.http.HttpServlet;
@@ -62,7 +64,7 @@
* <p/>
* To facilitate JMX monitoring, the {@link HttpClient} instance is set as context attribute,
* prefixed with the servlet's name and exposed by the mechanism provided by
- * {@link ContextHandler#MANAGED_ATTRIBUTES}.
+ * {@link ServletContext#setAttribute(String, Object)}.
* <p/>
* The following init parameters may be used to configure the servlet:
* <ul>
