1 files changed, 3 insertions, 3 deletions

diff --git a/src/WixToolset.Data/IntermediateFieldContext.cs b/src/WixToolset.Data/IntermediateFieldContext.cs
index a29a63c4..785a959f 100644
--- a/src/WixToolset.Data/IntermediateFieldContext.cs
+++ b/src/WixToolset.Data/IntermediateFieldContext.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
 
 namespace WixToolset.Data
 {
@@ -6,7 +6,7 @@ namespace WixToolset.Data
 
     public class IntermediateFieldContext : IDisposable
     {
-        private string previous;
+        private readonly string previous;
         private bool disposed;
 
         public IntermediateFieldContext(string context)
@@ -18,7 +18,7 @@ namespace WixToolset.Data
 
         public void Dispose()
         {
-            Dispose(true);
+            this.Dispose(true);
             GC.SuppressFinalize(this);
         }