diff --git a/cs656/lab4/ChatClient.java b/cs656/lab4/ChatClient.java
index 9396142..1e43c45 100644
--- a/cs656/lab4/ChatClient.java
+++ b/cs656/lab4/ChatClient.java
@@ -342,10 +342,10 @@ public class ChatClient
             }
         }
 
-		PresenceService pServ = new PresenceServiceImpl();
+        PresenceService pServ = new PresenceServiceImpl();
 
-		ChatClient chatClient = new ChatClient(pServ, user);
-		chatClient.run();
+        ChatClient chatClient = new ChatClient(pServ, user);
+        chatClient.run();
     }
 
     private static void usage()
diff --git a/cs656/lab4/PresenceServiceImpl.java b/cs656/lab4/PresenceServiceImpl.java
index e6b0c87..089f887 100644
--- a/cs656/lab4/PresenceServiceImpl.java
+++ b/cs656/lab4/PresenceServiceImpl.java
@@ -13,9 +13,9 @@ import edu.gvsu.cis.cs656.lab4.server.RegistrationInfo;
 
 public class PresenceServiceImpl implements PresenceService
 {
-	public static void main(String[] args)
-	{
-	}
+    public static void main(String[] args)
+    {
+    }
 
     /**
      * Register a client with the presence service.
diff --git a/cs656/lab4/UserResource.java b/cs656/lab4/UserResource.java
index 2eae6db..9272a7c 100644
--- a/cs656/lab4/UserResource.java
+++ b/cs656/lab4/UserResource.java
@@ -24,44 +24,44 @@ import org.restlet.resource.Variant;
 public class UserResource extends Resource
 {
 
-	public UserResource(Context context, Request request, Response response)
-	{
-		super(context, request, response);
+    public UserResource(Context context, Request request, Response response)
+    {
+        super(context, request, response);
         String id = (String) request.getAttributes().get("id");
-    		getVariants().add(new Variant(MediaType.TEXT_XML));
-	}
+            getVariants().add(new Variant(MediaType.TEXT_XML));
+    }
 
-	/**
-	 * handle HTTP GET requests.
-	 */
-	@Override
-	public Representation getRepresentation(Variant variant)
-	{
-		DomRepresentation rep = null;
-		if (variant.getMediaType().equals(MediaType.TEXT_XML))
-		{
-			try
-			{
+    /**
+     * handle HTTP GET requests.
+     */
+    @Override
+    public Representation getRepresentation(Variant variant)
+    {
+        DomRepresentation rep = null;
+        if (variant.getMediaType().equals(MediaType.TEXT_XML))
+        {
+            try
+            {
                 rep = new DomRepresentation(MediaType.TEXT_XML);
                 getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
-				rep.getDocument().normalizeDocument();
-			}
-			catch (IOException e)
-			{
-				e.printStackTrace();
-			}
-		}
-		return rep;
-	}
-
-	@Override
-	public boolean allowDelete()
-	{
-		return true;
-	}
+                rep.getDocument().normalizeDocument();
+            }
+            catch (IOException e)
+            {
+                e.printStackTrace();
+            }
+        }
+        return rep;
+    }
 
     @Override
-	public void delete()
+    public boolean allowDelete()
+    {
+        return true;
+    }
+
+    @Override
+    public void delete()
     {
         /*
         if (this.book != null)
@@ -73,22 +73,22 @@ public class UserResource extends Resource
             getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
         }
         */
-	}
+    }
 
     /**
      * PUT is implemented.
      */
-	@Override
-	public boolean allowPut()
-	{
-		return true;
-	}
+    @Override
+    public boolean allowPut()
+    {
+        return true;
+    }
 
-	/**
-	 * Update a resource in response to an HTTP PUT call.
-	 */
-	@Override
-	public void put(Representation entity)
-	{
-	}
+    /**
+     * Update a resource in response to an HTTP PUT call.
+     */
+    @Override
+    public void put(Representation entity)
+    {
+    }
 }