Fixed typo

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@93 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

appendixa/diffutils-desc.sgml

@@ -30,7 +30,7 @@ diff3 compares 3 files.
 <sect3><title>sdiff</title>
 
 <para>
-sdiff merges two two files and interactively outputs the results.
+sdiff merges two files and interactively outputs the results.
 </para>
 
 </sect3>