try to fix the sphinx build some more

llvm-svn: 358156
diff --git a/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl10.rst b/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl10.rst
index b1d19c2..789042b 100644
--- a/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl10.rst
+++ b/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl10.rst
@@ -1,3 +1,5 @@
+:orphan:
+
 ======================================================
 Kaleidoscope: Conclusion and other useful LLVM tidbits
 ======================================================