diff --git a/src/main/java/de/ailis/usb4java/Usb4JavaConfiguration.java b/src/main/java/de/ailis/usb4java/Usb4JavaConfiguration.java
index 5c646c7..fddf5d6 100644
--- a/src/main/java/de/ailis/usb4java/Usb4JavaConfiguration.java
+++ b/src/main/java/de/ailis/usb4java/Usb4JavaConfiguration.java
@@ -166,12 +166,14 @@ public final class Usb4JavaConfiguration implements UsbConfiguration
     {
         if (this.activeSettings.get(number & 0xff) != iface)
         {
-            final int result = LibUSB.setInterfaceAltSetting(this.device.open(), 
-                number,
+            final int result = LibUSB.setInterfaceAltSetting(
+                this.device.open(), number,
                 iface.getUsbInterfaceDescriptor().bAlternateSetting());
             if (result < 0)
+            {
                 throw new LibUsbException(
                     "Unable to set alternate interface", result);
+            }
             this.activeSettings.put(number & 0xff, iface);
         }
     }
diff --git a/src/main/java/de/ailis/usb4java/libusb/PollfdListener.java b/src/main/java/de/ailis/usb4java/libusb/PollfdListener.java
index dec0568..499cd10 100644
--- a/src/main/java/de/ailis/usb4java/libusb/PollfdListener.java
+++ b/src/main/java/de/ailis/usb4java/libusb/PollfdListener.java
@@ -23,9 +23,7 @@ public interface PollfdListener
      * @param events
      *            events to monitor for.
      * @param userData
-     *            User data pointer specified in
-     *            {@link LibUSB#setPollfdNotifiers(Context, PollfdListener, Object)}
-     *            call.
+     *            User data pointer.
      */
     void pollfdAdded(FileDescriptor fd, int events, Object userData);
 
@@ -39,10 +37,7 @@ public interface PollfdListener
      * @param fd
      *            The file descriptor to stop monitoring.
      * @param userData
-     *            User data pointer specified in
-     *            {@link LibUSB#setPollfdNotifiers(Context, PollfdListener, Object)}
-     *            call
-     * 
+     *            User data pointer.
      */
     void pollfdRemoved(FileDescriptor fd, Object userData);
 }
diff --git a/src/main/java/de/ailis/usb4java/utils/DumpUtils.java b/src/main/java/de/ailis/usb4java/utils/DumpUtils.java
index fc94b67..c67492e 100644
--- a/src/main/java/de/ailis/usb4java/utils/DumpUtils.java
+++ b/src/main/java/de/ailis/usb4java/utils/DumpUtils.java
@@ -2,6 +2,7 @@
  * Copyright (C) 2013 Klaus Reimer <k@ailis.de>
  * See LICENSE.txt for licensing information.
  */
+
 package de.ailis.usb4java.utils;
 
 import java.nio.ByteBuffer;
@@ -12,7 +13,7 @@ import de.ailis.usb4java.libusb.LibUSB;
 
 /**
  * Utility functions used for descriptor dumps.
- *
+ * 
  * @author Klaus Reimer (k@ailis.de)
  */
 public final class DumpUtils
@@ -20,7 +21,7 @@ public final class DumpUtils
     /** Mapping from USB class id to USB class name. */
     private static final Map<Integer, String> CLASS_NAMES =
         new HashMap<Integer, String>();
-    
+
     static
     {
         CLASS_NAMES.put(LibUSB.CLASS_PER_INTERFACE, "Per interface");
@@ -37,11 +38,13 @@ public final class DumpUtils
         CLASS_NAMES.put(LibUSB.CLASS_VIDEO, "Video");
         CLASS_NAMES.put(LibUSB.CLASS_VENDOR_SPEC, "Vendor-specific");
         CLASS_NAMES.put(LibUSB.CLASS_APPLICATION, "Application");
-        CLASS_NAMES.put(LibUSB.CLASS_PERSONAL_HEALTHCARE, "Personal Healthcare");
+        CLASS_NAMES.put(LibUSB.CLASS_PERSONAL_HEALTHCARE,
+            "Personal Healthcare");
         CLASS_NAMES.put(LibUSB.CLASS_DIAGNOSTIC_DEVICE, "Diagnostic Device");
         CLASS_NAMES.put(LibUSB.CLASS_WIRELESS, "Wireless");
-        
+
     }
+
     /**
      * Private constructor to prevent instantiation.
      */
@@ -76,10 +79,10 @@ public final class DumpUtils
     {
         return String.format("%x.%02x", bcd >> Byte.SIZE, bcd & 0xff);
     }
-    
+
     /**
      * Returns a hex dump of the specified byte buffer.
-     *
+     * 
      * @param bytes
      *            The bytes to dump.
      * @return The hex dump.
@@ -101,5 +104,5 @@ public final class DumpUtils
         }
         if (i % columns != 0) builder.append(String.format("%n"));
         return builder.toString();
-    }    
+    }
 }