Update code sample

Author: scottaddie

docs/azure/sdk/authentication/best-practices.md

@@ -94,7 +94,7 @@ The Azure Identity library for .NET allows you to authenticate via managed ident
 
         # [DefaultAzureCredential](#tab/dac)
 
-        :::code language="csharp" source="../snippets/authentication/best-practices/CCA/Program.cs" id="snippet_retries_dac" highlight="5-9":::
+        :::code language="csharp" source="../snippets/authentication/best-practices/CCA/Program.cs" id="snippet_retries_dac" highlight="4-8":::
 
         # [ManagedIdentityCredential](#tab/mic)
 

docs/azure/sdk/snippets/authentication/best-practices/CCA/Program.cs

@@ -52,17 +52,17 @@
 #endregion
 
 #region snippet_retries_dac
-DefaultAzureCredential credential = new(
-    new DefaultAzureCredentialOptions
+DefaultAzureCredentialOptions dacOptions = new()
+{
+    ManagedIdentityClientId = clientId,
+    Retry =
     {
-        ManagedIdentityClientId = clientId,
-        Retry =
-        {
-            MaxRetries = 3,
-            Delay = TimeSpan.FromSeconds(0.5),
-        }
+        MaxRetries = 3,
+        Delay = TimeSpan.FromSeconds(0.5),
     }
-);
+};
+
+DefaultAzureCredential credential = new(dacOptions);
 #endregion
 
 builder.Services.AddEndpointsApiExplorer();