Fix section title to use lower case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29332 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index 6587987..472ee10 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -989,7 +989,7 @@
 
 <!-- ======================================================================= -->
 <div class="doc_subsection">
-  <a name="cross-compile">Compiling LLVM As A Cross-compiler</a>
+  <a name="cross-compile">Compiling LLVM as a Cross-compiler</a>
 </div>
 
 <div class="doc_text">