Added another remark on how building the C front end is optional.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index 778c569..b61bf6f 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -205,7 +205,7 @@
             &nbsp;&nbsp;&nbsp;# this is csh or tcsh syntax</tt>
         </ol>
         <p>
-    <li>Build the LLVM C Front End
+    <li>Build the LLVM C Front End <b>(optional)</b>
         <ol>
             <li>Create a directory for the object files to live.
             <li><tt>cd <i>object file directory</i></tt>