fix another typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20512 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LangRef.html b/docs/LangRef.html
index c660c80..85f8ac9 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -2530,7 +2530,7 @@
<tt>address</tt> is the address to be prefetched, <tt>rw</tt> is the specifier
determining if the fetch should be for a read (0) or write (1), and
<tt>locality</tt> is a temporal locality specifier ranging from (0) - no
-locality, to (3) - exteremely local keep in cache. The <tt>rw</tt> and
+locality, to (3) - extremely local keep in cache. The <tt>rw</tt> and
<tt>locality</tt> arguments must be constant integers.
</p>