clarify


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43712 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tutorial/LangImpl3.html b/docs/tutorial/LangImpl3.html
index 49e55d3..4209327 100644
--- a/docs/tutorial/LangImpl3.html
+++ b/docs/tutorial/LangImpl3.html
@@ -533,9 +533,9 @@
 </pre>
 </div>
 
-<p>This shows some function calls.  Note that the runtime of this function might
-be fairly high.  In the future we'll add conditional control flow to make
-recursion actually be useful :).</p>
+<p>This shows some function calls.  Note that this function will take a long
+time to execute if you call it.  In the future we'll add conditional control 
+flow to make recursion actually be useful :).</p>
 
 <div class="doc_code">
 <pre>