1 files changed, 3 insertions, 3 deletions
diff --git a/src/Text/Def/TextData/Model/Projection/GraphBufferContentTypeChangedEventArgs.cs b/src/Text/Def/TextData/Model/Projection/GraphBufferContentTypeChangedEventArgs.cs
index d977310..b3f2e49 100644
--- a/src/Text/Def/TextData/Model/Projection/GraphBufferContentTypeChangedEventArgs.cs
+++ b/src/Text/Def/TextData/Model/Projection/GraphBufferContentTypeChangedEventArgs.cs
@@ -29,15 +29,15 @@ namespace Microsoft.VisualStudio.Text.Projection
         {
             if (textBuffer == null)
             {
-                throw new ArgumentNullException("textBuffer");
+                throw new ArgumentNullException(nameof(textBuffer));
             }
             if (beforeContentType == null)
             {
-                throw new ArgumentNullException("beforeContentType");
+                throw new ArgumentNullException(nameof(beforeContentType));
             }
             if (afterContentType == null)
             {
-                throw new ArgumentNullException("afterContentType");
+                throw new ArgumentNullException(nameof(afterContentType));
             }
             this.textBuffer = textBuffer;
             this.beforeContentType = beforeContentType;