better reference in my-first-interactive-block example

Author: juanmaguitar

plugins/my-first-interactive-block/README.md

@@ -2,7 +2,7 @@
 
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-This block has been created with the `create-block-interactive-template` and shows a basic structure of an interactive block that uses the [Interactivity API](https://developer.wordpress.org/block-editor/reference-guides/interactivity-api/).
+This block has been created with the `create-block-interactive-template` as explained in [Reference Guides > Interactivity API Reference > Quick start guide](https://developer.wordpress.org/block-editor/reference-guides/interactivity-api/iapi-quick-start-guide/). This example shows a basic structure of an interactive block that uses the [Interactivity API](https://developer.wordpress.org/block-editor/reference-guides/interactivity-api/).
 
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