Refine the comment for createSimpleTargetReduction.

Author: Mel-Chen

llvm/include/llvm/IR/VectorBuilder.h

@@ -99,7 +99,7 @@ class VectorBuilder {
                                  const Twine &Name = Twine());
 
   /// Emit a VP reduction intrinsic call for recurrence kind.
-  /// \param RdxID       The intrinsic id of llvm.vector.reduce.*
+  /// \param RdxID       The intrinsic ID of llvm.vector.reduce.*
   /// \param ValTy       The type of operand which the reduction operation is
   ///                    performed.
   /// \param VecOpArray  The operand list.