1 files changed, 2 insertions, 2 deletions
diff --git a/src/Text/Def/TextData/Model/TextSnapshotChangedEventArgs.cs b/src/Text/Def/TextData/Model/TextSnapshotChangedEventArgs.cs
index 4581044..9582fb4 100644
--- a/src/Text/Def/TextData/Model/TextSnapshotChangedEventArgs.cs
+++ b/src/Text/Def/TextData/Model/TextSnapshotChangedEventArgs.cs
@@ -31,11 +31,11 @@ namespace Microsoft.VisualStudio.Text
         {
             if (beforeSnapshot == null)
             {
-                throw new ArgumentNullException("beforeSnapshot");
+                throw new ArgumentNullException(nameof(beforeSnapshot));
             }
             if (afterSnapshot == null)
             {
-                throw new ArgumentNullException("afterSnapshot");
+                throw new ArgumentNullException(nameof(afterSnapshot));
             }
             this.before = beforeSnapshot;
             this.after = afterSnapshot;