Fix typo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83770 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes-2.6.html b/docs/ReleaseNotes-2.6.html
index 3b39a62..b415c3a 100644
--- a/docs/ReleaseNotes-2.6.html
+++ b/docs/ReleaseNotes-2.6.html
@@ -675,7 +675,7 @@
     by OS kernels.</li>
 <li>X86-64 now models implicit zero extensions better, which allows the code
     generator to remove a lot of redundant zexts.  It also models the 8-bit "H"
-    registers as sugregs, which allows them to be used in some tricky
+    registers as subregs, which allows them to be used in some tricky
     situations.</li>
 <li>X86-64 now supports the "local exec" and "initial exec" thread local storage
     model.</li>