one more source map correction

Author: Lms24

src/includes/sourcemaps/generate/javascript.svelte.mdx

@@ -15,7 +15,7 @@ const config = {
 export default config;
 ```
 
-Additionally, you need to enable sourcemap output in your bundler. The following example shows how to do this for Vite:
+Additionally, you need to enable source map output in your bundler. The following example shows how to do this for Vite:
 
 ```JavaScript {filename:vite.config.js}
 import { defineConfig } from "vite";