clean up reference

src/content/docs/cheerpj3/05-reference/00-cheerpjInit.md

@@ -143,7 +143,7 @@ Example:
 cheerpjInit({ preloadResources: {"/lts/file1.jar":[int, int, ...], "/lts/file2.jar":[int,int, ...]} });
 ```
 
-See also [cjGetRuntimeResources](#cjGetRuntimeResources).
+See also [cjGetRuntimeResources].
 
 ### `status`
 
@@ -177,3 +177,5 @@ cheerpjInit({
 ### `fetch`
 
 This option is used to make a `fetch` request over the network.
+
+[cjGetRuntimeResources]: /cheerpj3/reference/cjGetRuntimeResources

src/content/docs/cheerpj3/05-reference/30-cjGetRuntimeResources.md

@@ -2,23 +2,30 @@
 title: cjGetRuntimeResources
 ---
 
-Returns a JavaScript string representing the data that should be passed to [preloadResources](/cheerpj3/reference/cheerpjInit#preloadresources). Once parsed, it is an object containing the filenames that have been loaded from the runtime up to the time this function is called.
+Returns a JavaScript string representing the data that should be passed to [preloadResources]. Once parsed, it is an object containing the filenames that have been loaded from the runtime up to the time this function is called.
+
+See [startup time optimization](/cheerpj3/guides/Startup-time-optimization) for more information.
 
 ```ts
 function cjGetRuntimeResources(): string;
 ```
 
+> [!note] Note
+> This function is intended for use in the browser console. It is not intended to be called from within your application.
+
 ## Parameters
 
-- No parameters
+`cjGetRuntimeResources` does not take any parameters.
 
 ## Returns
 
-- **`string`** - string representing the files that have been loaded from the runtime.
+`cjGetRuntimeResources` returns a string representing the files that have been loaded from the runtime.
+
+Parse this string with [JSON.parse] and pass it as [preloadResources] in future page loads.
 
 ## Example
 
-On the browser console type:
+In the browser console, type:
 
 ```shell
 cjGetRuntimeResources();
@@ -29,3 +36,6 @@ The output would look like this:
 ```js
 '{"/lts/file1.jar":[int, int, ...], "/lts/file2.jar":[int,int, ...]}';
 ```
+
+[preloadResources]: /cheerpj3/reference/cheerpjInit#preloadresources
+[JSON.parse]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse

src/content/docs/cheerpj3/05-reference/31-cjGetProguardConfiguration.md

@@ -2,19 +2,22 @@
 title: cjGetProguardConfiguration
 ---
 
-To be used on the browser console to download a ProGuard configuration file (`cheerpj.pro`).
+Triggers download of a configuration file which can be used to tree-shake JARs using [ProGuard].
 
 ```ts
 function cjGetProguardConfiguration(): void;
 ```
 
+> [!note] Note
+> This function is intended for use in the browser console. It is not intended to be called from within your application.
+
 ## Parameters
 
-- No parameters are required
+`cjGetProguardConfiguration` does not take any parameters.
 
 ## Returns
 
-- void
+`cjGetProguardConfiguration` does not return a value. It triggers a download of a `cheerpj.pro` file.
 
 ## Example
 
@@ -25,3 +28,5 @@ cjGetProguardConfiguration();
 ```
 
 This will trigger the download of `cheerpj.pro` file.
+
+[ProGuard]: https://github.com/Guardsquare/proguard