diff --git a/mlir/lib/Dialect/Arith/IR/ArithCanonicalization.td b/mlir/lib/Dialect/Arith/IR/ArithCanonicalization.td
index 4558d827e8563..de3efc9fe3506 100644
--- a/mlir/lib/Dialect/Arith/IR/ArithCanonicalization.td
+++ b/mlir/lib/Dialect/Arith/IR/ArithCanonicalization.td
@@ -394,7 +394,7 @@ def TruncIShrSIToTrunciShrUI :
         [(TruncationMatchesShiftAmount $x, $tr, $c0)]>;
 
 //===----------------------------------------------------------------------===//
-// TruncIOp
+// TruncFOp
 //===----------------------------------------------------------------------===//
 
 // truncf(sitofp(x)) -> sitofp(x) if default rounding mode.
diff --git a/mlir/lib/Dialect/Arith/IR/ArithOps.cpp b/mlir/lib/Dialect/Arith/IR/ArithOps.cpp
index 7d4d818ee448b..1fbb7a4784cd5 100644
--- a/mlir/lib/Dialect/Arith/IR/ArithOps.cpp
+++ b/mlir/lib/Dialect/Arith/IR/ArithOps.cpp
@@ -2723,7 +2723,7 @@ TypedAttr mlir::arith::getIdentityValueAttr(AtomicRMWKind kind, Type resultType,
   return nullptr;
 }
 
-/// Return the identity numeric value associated to the give op.
+/// Returns the identity numeric value of the given op.
 std::optional<TypedAttr> mlir::arith::getNeutralElement(Operation *op) {
   std::optional<AtomicRMWKind> maybeKind =
       llvm::TypeSwitch<Operation *, std::optional<AtomicRMWKind>>(op)