docs(templates): fix and expand config checksum example

docs/charts_tips_and_tricks.md

@@ -134,9 +134,8 @@ be updated with a subsequent `helm upgrade`, but if the
 deployment spec itself didn't change the application keeps running
 with the old configuration resulting in an inconsistent deployment.
 
-The `sha256sum` function can be used together with the `include`
-function to ensure a deployments template section is updated if another
-spec changes: 
+The `sha256sum` function can be used to ensure a deployment's
+annotation section is updated if another file changes: 
 
 ```yaml
 kind: Deployment
@@ -148,6 +147,9 @@ spec:
 [...]
 ```
 
+See also the `helm upgrade --recreate-pods` flag for a slightly
+different way of addressing this issue.
+
 ## Tell Tiller Not To Delete a Resource
 
 Sometimes there are resources that should not be deleted when Helm runs a