1 files changed, 2 insertions, 2 deletions
diff --git a/src/mscorlib/src/System/Runtime/CompilerServices/FormattableStringFactory.cs b/src/mscorlib/src/System/Runtime/CompilerServices/FormattableStringFactory.cs
index aee3bc2230..4b99a8a5d9 100644
--- a/src/mscorlib/src/System/Runtime/CompilerServices/FormattableStringFactory.cs
+++ b/src/mscorlib/src/System/Runtime/CompilerServices/FormattableStringFactory.cs
@@ -26,12 +26,12 @@ namespace System.Runtime.CompilerServices
         {
             if (format == null)
             {
-                throw new ArgumentNullException("format");
+                throw new ArgumentNullException(nameof(format));
             }
 
             if (arguments == null)
             {
-                throw new ArgumentNullException("arguments");
+                throw new ArgumentNullException(nameof(arguments));
             }
 
             return new ConcreteFormattableString(format, arguments);