fix: small legibility improvement (#12928)

* fix: small legibility improvement

* Create rich-ladybugs-admire.md

* Update rich-ladybugs-admire.md

* even better?

.changeset/rich-ladybugs-admire.md

@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+fix: small legibility improvement in `Snippet` type hint

packages/svelte/src/index.d.ts

@@ -285,9 +285,9 @@ export interface Snippet<Parameters extends unknown[] = []> {
 		// rest parameter type, which is not supported. If rest parameters are added
 		// in the future, the condition can be removed.
 		...args: number extends Parameters['length'] ? never : Parameters
-	): typeof SnippetReturn & {
-		_: 'functions passed to {@render ...} tags must use the `Snippet` type imported from "svelte"';
-	};
+	): {
+		'{@render ...} must be called with a Snippet': "import type { Snippet } from 'svelte'";
+	} & typeof SnippetReturn;
 }
 
 interface DispatchOptions {

packages/svelte/types/index.d.ts

@@ -282,9 +282,9 @@ declare module 'svelte' {
 			// rest parameter type, which is not supported. If rest parameters are added
 			// in the future, the condition can be removed.
 			...args: number extends Parameters['length'] ? never : Parameters
-		): typeof SnippetReturn & {
-			_: 'functions passed to {@render ...} tags must use the `Snippet` type imported from "svelte"';
-		};
+		): {
+			'{@render ...} must be called with a Snippet': "import type { Snippet } from 'svelte'";
+		} & typeof SnippetReturn;
 	}
 
 	interface DispatchOptions {