1 files changed, 5 insertions, 2 deletions

diff --git a/include/llvm/OperandTraits.h b/include/llvm/OperandTraits.h
index 7c879c88f13ba..b614ccbc3777a 100644
--- a/include/llvm/OperandTraits.h
+++ b/include/llvm/OperandTraits.h
@@ -20,7 +20,7 @@
 namespace llvm {
 
 //===----------------------------------------------------------------------===//
-//                          FixedNumOperands Trait Class
+//                          FixedNumOperand Trait Class
 //===----------------------------------------------------------------------===//
 
 /// FixedNumOperandTraits - determine the allocation regime of the Use array
@@ -51,9 +51,12 @@ struct FixedNumOperandTraits {
 };
 
 //===----------------------------------------------------------------------===//
-//                          OptionalOperands Trait Class
+//                          OptionalOperand Trait Class
 //===----------------------------------------------------------------------===//
 
+/// OptionalOperandTraits - when the number of operands may change at runtime.
+/// Naturally it may only decrease, because the allocations may not change.
+
 template <unsigned ARITY = 1>
 struct OptionalOperandTraits : public FixedNumOperandTraits<ARITY> {
   static unsigned operands(const User *U) {