add a link.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43702 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tutorial/LangImpl5.html b/docs/tutorial/LangImpl5.html
index e95aadd..8f31cbf 100644
--- a/docs/tutorial/LangImpl5.html
+++ b/docs/tutorial/LangImpl5.html
@@ -303,7 +303,8 @@
 in this case.</li>
 </ol>
 
-<p>At a future point in this tutorial ("mutable variables"), we'll talk about #1
+<p>In <a href="LangImpl7.html">Chapter 7</a> of this tutorial ("mutable 
+variables"), we'll talk about #1
 in depth.  For now, just believe me that you don't need SSA construction to
 handle them.  For #2, you have the choice of using the techniques that we will 
 describe for #1, or you can insert Phi nodes directly if convenient.  In this