diff --git a/test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/README.md b/test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/README.md
index ca589c22c2c..5717aac1e1c 100644
--- a/test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/README.md
+++ b/test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/README.md
@@ -2,4 +2,6 @@
 
 Contains snapshot and execution tests for `Microsoft.Extensions.AI.Templates`.
 
+To update test snapshots, install and run the `DiffEngineTray` tool following [these instructions](https://github.com/VerifyTests/DiffEngine/blob/main/docs/tray.md), run the snapshot tests either in VS or using `dotnet test`, and use `DiffEngineTray` to accept or discard changes.
+
 For information on debugging template execution tests, see [this README](./TemplateSandbox/README.md).