Minor grammar fix in kaleidoscope tutorial.

llvm-svn: 263700
diff --git a/llvm/docs/tutorial/LangImpl9.rst b/llvm/docs/tutorial/LangImpl9.rst
index f02bba8..ec37573 100644
--- a/llvm/docs/tutorial/LangImpl9.rst
+++ b/llvm/docs/tutorial/LangImpl9.rst
@@ -103,8 +103,8 @@
 Properties of the LLVM IR
 =========================
 
-We have a couple common questions about code in the LLVM IR form - lets
-just get these out of the way right now, shall we?
+We have a couple of common questions about code in the LLVM IR form -
+let's just get these out of the way right now, shall we?
 
 Target Independence
 -------------------