Documentation: Clarify RichText.Content Readme (#9605)

* Edited for clarity

* chore: Further tweaks to sentence

* docs: Further tweaks, actually

packages/editor/src/components/rich-text/README.md

@@ -65,8 +65,7 @@ Render a rich [`contenteditable` input](https://developer.mozilla.org/en-US/docs
 
 ## RichText.Content
 
-When using RichText in the edit function of blocks, the usage of `RichText.Content` is recommended in the save function of your blocks to save the correct HTML.
-
+`RichText.Content` should be used in the `save` function of your block to correctly save rich text content.
 
 ## Example