1 files changed, 1 insertions, 1 deletions
diff --git a/src/Text/Impl/TextModel/Projection/BufferGraphFactoryService.cs b/src/Text/Impl/TextModel/Projection/BufferGraphFactoryService.cs
index 7c47c06..f4b1cc1 100644
--- a/src/Text/Impl/TextModel/Projection/BufferGraphFactoryService.cs
+++ b/src/Text/Impl/TextModel/Projection/BufferGraphFactoryService.cs
@@ -21,7 +21,7 @@ namespace Microsoft.VisualStudio.Text.Projection.Implementation
         {
             if (textBuffer == null)
             {
-                throw new ArgumentNullException("textBuffer");
+                throw new ArgumentNullException(nameof(textBuffer));
             }
             return textBuffer.Properties.GetOrCreateSingletonProperty<BufferGraph>(() => (new BufferGraph(textBuffer, GuardedOperations)));
         }