diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index 116911699ab9f..69713d0d84011 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -1950,7 +1950,7 @@ LLVM_ABI bool isOnesOrOnesSplat(SDValue N, bool AllowUndefs = false);
 
 /// Return true if the value is a constant 0 integer or a splatted vector of a
 /// constant 0 integer (with no undefs).
-/// Does not permit build vector implicit truncation.
+/// Build vector implicit truncation is allowed.
 LLVM_ABI bool isZeroOrZeroSplat(SDValue N, bool AllowUndefs = false);
 
 /// Return true if \p V is either a integer or FP constant.