--- a/src/internet/model/tcp-header.h	Tue Oct 07 12:19:52 2014 -0700
+++ b/src/internet/model/tcp-header.h	Wed Oct 08 11:59:31 2014 -0700
@@ -169,7 +169,7 @@
   /**
    * \brief Append an option to the TCP header
    * \param option The option to append
-   * \return true if optionhas been appended, false otherwise
+   * \return true if option has been appended, false otherwise
    */
   bool AppendOption (Ptr<TcpOption> option);