Fix spelling of `iterative scan'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llc.pod b/docs/CommandGuide/llc.pod
index c1b451c..19d5efa 100644
--- a/docs/CommandGuide/llc.pod
+++ b/docs/CommandGuide/llc.pod
@@ -141,7 +141,7 @@
 
 Linear scan global register allocator
 
-=item I<iterativerscan>
+=item I<iterativescan>
 
 Iterative scan global register allocator