Clarify browser return value is opaque

Author: aurorascharff

src/content/reference/react-dom/browser.md

@@ -51,7 +51,7 @@ During server rendering, `use(browser())` stops rendering the component and leav
 
 #### Returns {/*returns*/}
 
-`browser` returns a value that you can pass to `use` in a component or use as the reason when [aborting a server render](#aborting-pending-server-rendering-for-the-browser). In the browser, passing this value to `use` returns `undefined`.
+`browser` returns an opaque value that you can pass to `use` in a component or use as the reason when [aborting a server render](#aborting-pending-server-rendering-for-the-browser). In the browser, passing this value to `use` returns `undefined`.
 
 #### Caveats {/*caveats*/}
 

src/content/reference/react/apis.md

@@ -29,7 +29,7 @@ You can pass these types of resources to [`use`](/reference/react/use):
 
 * A [Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) to read its resolved value.
 * A [context](/learn/passing-data-deeply-with-context) to read its value.
-* <CanaryBadge /> The value returned by [`browser`](/reference/react-dom/browser) to mark a component as browser-only during server rendering.
+* <CanaryBadge /> An opaque value returned by [`browser`](/reference/react-dom/browser) to mark a component as browser-only during server rendering.
 
 ```js
 function MessageComponent({ messagePromise }) {

src/content/reference/react/use.md

@@ -4,7 +4,7 @@ title: use
 
 <Intro>
 
-`use` is a React API that lets you read the value of a [Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) or [context](/learn/passing-data-deeply-with-context). You can also pass `use` the value returned by [`browser`](/reference/react-dom/browser) to mark a component as browser-only during server rendering.
+`use` is a React API that lets you read the value of a [Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) or [context](/learn/passing-data-deeply-with-context). You can also call `use` with the opaque value returned by [`browser`](/reference/react-dom/browser) to mark a component as browser-only during server rendering.
 
 ```js
 const value = use(resource);
@@ -100,7 +100,7 @@ During server rendering, the component calling `use(browser())` suspends and Rea
 
 #### Parameters {/*browser-parameters*/}
 
-* `browserValue`: The value returned by [`browser`](/reference/react-dom/browser).
+* `browserValue`: The opaque value returned by [`browser`](/reference/react-dom/browser).
 
 #### Returns {/*browser-returns*/}