Java API Doc revisions

clients/java/signalr/src/main/java/com/microsoft/signalr/Action5.java

@@ -4,7 +4,7 @@
 package com.microsoft.signalr;
 
 /**
- * A callback that takes five parameter.
+ * A callback that takes five parameters.
  *
  * @param <T1> The type of the first parameter to the callback.
  * @param <T2> The type of the second parameter to the callback.

clients/java/signalr/src/main/java/com/microsoft/signalr/HubConnection.java

@@ -25,6 +25,9 @@ import io.reactivex.Single;
 import io.reactivex.subjects.CompletableSubject;
 import io.reactivex.subjects.SingleSubject;
 
+/**
+ * A connection used to invoke hub methods on a SignalR Server.
+ */
 public class HubConnection {
     private static final String RECORD_SEPARATOR = "\u001e";
     private static final List<Class<?>> emptyArray = new ArrayList<>();