s/The ARM has/The ARM backend has/

llvm-svn: 115584
diff --git a/llvm/docs/ReleaseNotes.html b/llvm/docs/ReleaseNotes.html
index 820fb3c..0b638b3 100644
--- a/llvm/docs/ReleaseNotes.html
+++ b/llvm/docs/ReleaseNotes.html
@@ -879,8 +879,9 @@
     variables can be accessed via same base address) and potentially reducing
     register pressure.</li>
 
-<li>The ARM has received many minor improvements and tweaks which lead to
-substantially better performance in a wide range of different scenarios.</li>
+<li>The ARM backend has received many minor improvements and tweaks which lead
+    to substantially better performance in a wide range of different scenarios.
+</li>
 
 <li>The ARM NEON intrinsics have been substantially reworked to reduce
     redundancy and improve code generation.  Some of the major changes are: