docs: shorten ownPropertyOnly entry in options tutorial

Details live in Security Model; keep options.md consistent with strictFilters/strictVariables tone.

Co-authored-by: Cursor <[email protected]>

docs/source/tutorials/options.md

@@ -138,7 +138,7 @@ It defaults to `false`. For example, when set to `true`, a blank string would ev
 
 **lenientIf** modifies the behavior of `strictVariables` to allow handling optional variables. If set to `true`, an undefined variable will *not* cause an exception in the following two situations: a) it is the condition to an `if`, `elsif`, or `unless` tag; b) it occurs right before a `default` filter. Irrelevant if `strictVariables` is not set. Defaults to `false`.
 
-**ownPropertyOnly** limits template property reads on plain scope objects to own properties (no inherited prototype keys). Defaults to `true`. When `true`, reads of `__proto__`, `constructor`, and `prototype` are blocked (own and inherited) as a prototype-pollution defense. With `ownPropertyOnly: false`, inherited properties and those keys are allowed—sanitize untrusted input (e.g. with [bourne](https://www.npmjs.com/package/bourne)) before passing it as scope. See [Security Model](./security-model.html).
+**ownPropertyOnly** limits template property reads on plain scope objects to own properties. Defaults to `true`. See [Security Model](./security-model.html).
 
 {% note info Nonexistent Tags %}
 Nonexistent tags always throw errors during parsing and this behavior cannot be customized.