make it clear

Sung Won Chung · Sung Won Chung · commit 82e9c03c0a79 · 2025-04-18T20:59:30.000-07:00
diff --git a/docs/examples/sqlmesh_cli_crash_course.md b/docs/examples/sqlmesh_cli_crash_course.md
@@ -1090,7 +1090,7 @@ If you want to see a full walkthough, [go here](incremental_time_full_walkthroug
 
     `sqlmesh plan`
 
-    When this is applied to `prod`, it will only execute model batches for new intervals (new rows). This will NOT re-use `preview` models in development.
+    When this is applied to `prod`, it will only execute model batches for new intervals (new rows). This will NOT re-use `preview` models (backfilled data) in development.
 
     ```bash
     Differences from the `prod` environment:
