add description in readme

Signed-off-by: Jennie Pham <[email protected]>
grafana · Feb 13, 2025 · 914febe · 914febe
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diff --git a/charts/tempo/README.md b/charts/tempo/README.md
@@ -8,6 +8,15 @@ Grafana Tempo Single Binary Mode
 
 * <https://github.com/grafana/tempo>
 
+## Upgrading
+
+### From Chart versions < 1.32.0
+* Breaking Change *
+In order to reduce confusion, the overrides configurations have been renamed as below.  
+
+`global_overrides` =>  `overrides` (this is where the defaults for every tenant is set)
+`overrides` => `per_tenant_overrides` (this is where configurations for specific tenants can be set)
+
 ## Values
 
 | Key | Type | Default | Description |