typo from Ryan Brown.
llvm-svn: 43748
diff --git a/llvm/docs/tutorial/LangImpl8.html b/llvm/docs/tutorial/LangImpl8.html
index 66155a0..a92fac8 100644
--- a/llvm/docs/tutorial/LangImpl8.html
+++ b/llvm/docs/tutorial/LangImpl8.html
@@ -280,7 +280,7 @@
<p>Third, it <em>is certainly possible</em> to add language-specific
optimizations, and you have a number of choices in how to do it. As one trivial
example, it is possible to add language-specific optimization passes that
-"known" things about code compiled for a language. In the case of the C family,
+"know" things about code compiled for a language. In the case of the C family,
there is an optimziation pass that "knows" about the standard C library
functions. If you call "exit(0)" in main(), it knows that it is safe to
optimize that into "return 0;" for example, because C specifies what the 'exit'