diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index a9a29ab109c..c8211b76be4 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -98,7 +98,8 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
   // Add internal analysis passes from the target machine.
   TM->addAnalysisPasses(PM);
 
-  // Targets may override createPassConfig to provide a target-specific sublass.
+  // Targets may override createPassConfig to provide a target-specific
+  // subclass.
   TargetPassConfig *PassConfig = TM->createPassConfig(PM);
   PassConfig->setStartStopPasses(StartAfter, StopAfter);
 
diff --git a/utils/TableGen/PseudoLoweringEmitter.cpp b/utils/TableGen/PseudoLoweringEmitter.cpp
index e1bdb43ecd4..70b677fd1b9 100644
--- a/utils/TableGen/PseudoLoweringEmitter.cpp
+++ b/utils/TableGen/PseudoLoweringEmitter.cpp
@@ -157,8 +157,7 @@ void PseudoLoweringEmitter::evaluateExpansion(Record *Rec) {
 
   // If there are more operands that weren't in the DAG, they have to
   // be operands that have default values, or we have an error. Currently,
-  // Operands that are a sublass of OperandWithDefaultOp have default values.
-
+  // Operands that are a subclass of OperandWithDefaultOp have default values.
 
   // Validate that each result pattern argument has a matching (by name)
   // argument in the source instruction, in either the (outs) or (ins) list.