Typo fix.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@381 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

appendixa/gcc-desc.xml

@@ -21,16 +21,16 @@ of these compiler generated object files.
 
 </sect3>
 
-<sect3><title>Pre-processor</title>
+<sect3><title>Preprocessor</title>
 
 <para>
-A pre-processor pre-processes a source file, such as including
+A preprocessor preprocesses a source file, such as including
 the contents of header files into the source file. It's a good idea to 
 not 
 do this manually to save a lot of time. Someone just inserts a line
-like #include &lt;filename&gt;. The pre-processor inserts the
+like #include &lt;filename&gt;. The preprocessor inserts the
 contents of that file into the source file. That's one of the things a
-pre-processor does.
+preprocessor does.
 </para>
 
 </sect3>