diff --git a/packages/astro/src/@types/astro.ts b/packages/astro/src/@types/astro.ts
index cca5753fe..52d15211b 100644
--- a/packages/astro/src/@types/astro.ts
+++ b/packages/astro/src/@types/astro.ts
@@ -546,10 +546,12 @@ export interface AstroUserConfig {
 	 * ```
 	 *
 	 * When using this option, all of your static asset imports and URLs should add the base as a prefix. You can access this value via `import.meta.env.BASE_URL`.
+	 * 
+	 * By default, the value of `import.meta.env.BASE_URL` includes a trailing slash. If you have the [`trailingSlash`](https://docs.astro.build/en/reference/configuration-reference/#trailingslash) option set to `'never'`, you will need to add it manually in your static asset imports and URLs.
 	 *
 	 * ```astro
 	 * <a href="/docs/about/">About</a>
-	 * <img src=`${import.meta.env.BASE_URL}/image.png`>
+	 * <img src=`${import.meta.env.BASE_URL}image.png`>
 	 * ```
 	 */
 	base?: string;