diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index 6f36a94d831..33fc45161a6 100644
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -79,13 +79,12 @@ namespace CodeGenOpt {
 }
 
 
-// Possible float ABI settings. Soft is soft float, Hard is hard float, Default
-// is target-specific. Used with FloatABIType in TargetOptions.h.
+// Possible float ABI settings. Used with FloatABIType in TargetOptions.h.
 namespace FloatABI {
   enum ABIType {
-    Default,
-    Soft,
-    Hard
+    Default, // Target-specific (either soft of hard depending on triple, etc).
+    Soft, // Soft float.
+    Hard  // Hard float.
   };
 }