docs: mention escaping of curly braces (#8560)

Author: bytesnz

documentation/docs/02-template-syntax/02-basic-markup.md

@@ -106,11 +106,13 @@ An element or component can have multiple spread attributes, interspersed with r
 
 ## Text expressions
 
+A JavaScript expression can be included as text by surrounding it with curly braces.
+
 ```svelte
 {expression}
 ```
 
-Text can also contain JavaScript expressions:
+Curly braces can be included in a Svelte template by using their [HTML entity](https://developer.mozilla.org/docs/Glossary/Entity) strings: `{`, `{`, or `{` for `{` and `}`, `}`, or `}` for `}`.
 
 > If you're using a regular expression (`RegExp`) [literal notation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#literal_notation_and_constructor), you'll need to wrap it in parentheses.