fix comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140258 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index f7aae14..36e254b 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -13564,7 +13564,7 @@
     // From, To sizes and ElemCount must be pow of two
     if (!isPowerOf2_32(NumElems * FromSz * ToSz)) return SDValue();
     // We are going to use the original vector elt for storing.
-    // accumulated smaller vector elements must be a multiple of the store size.
+    // Accumulated smaller vector elements must be a multiple of the store size.
     if (0 != (NumElems * FromSz) % ToSz) return SDValue();
 
     unsigned SizeRatio  = FromSz / ToSz;