--- a/src/helper/udp-client-server-helper.h	Fri Apr 23 14:53:30 2010 +0400
+++ b/src/helper/udp-client-server-helper.h	Fri Apr 23 15:09:31 2010 +0400
@@ -77,7 +77,7 @@
 
 /**
  * \brief Create a client application which sends udp packets carrying
- *  a 32bit sequence numbre and a 64 bit time stamp.
+ *  a 32bit sequence number and a 64 bit time stamp.
  *
  */
 class UdpClientHelper