Add a real intro to the series.

llvm-svn: 43752
diff --git a/llvm/docs/tutorial/index.html b/llvm/docs/tutorial/index.html
index 2406ebe..fe047c9 100644
--- a/llvm/docs/tutorial/index.html
+++ b/llvm/docs/tutorial/index.html
@@ -27,7 +27,7 @@
   </li>
   <li>Implementing a language with LLVM: Kaleidoscope
   <ol>
-    <li><a href="LangImpl1.html">The basic language, with its lexer</a></li>
+    <li><a href="LangImpl1.html">Tutorial Introduction and the Lexer</a></li>
     <li><a href="LangImpl2.html">Implementing a Parser and AST</a></li>
     <li><a href="LangImpl3.html">Implementing Code Generation to LLVM IR</a></li>
     <li><a href="LangImpl4.html">Adding JIT and Optimizer Support</a></li>