diff --git a/.changeset/dull-teeth-cut.md b/.changeset/dull-teeth-cut.md
new file mode 100644
index 000000000000..6ccc17844dd4
--- /dev/null
+++ b/.changeset/dull-teeth-cut.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Adds `server.allowedHosts` docs comment to `AstroUserConfig`
diff --git a/packages/astro/src/types/public/config.ts b/packages/astro/src/types/public/config.ts
index a2f9d3253ea9..bf4b9778ed8b 100644
--- a/packages/astro/src/types/public/config.ts
+++ b/packages/astro/src/types/public/config.ts
@@ -906,6 +906,26 @@ export interface ViteUserConfig extends OriginalViteUserConfig {
 	 * ```
 	 */
 
+	/**
+	 * @docs
+	 * @name server.allowedHosts
+	 * @type {string[] | true}
+	 * @default `[]`
+	 * @version 5.4.0
+	 * @description
+	 *
+	 * A list of hostnames that Astro is allowed to respond to. When the value is set to `true`, any
+	 * hostname is allowed.
+	 *
+	 * ```js
+	 * {
+	 *   server: {
+	 *   	allowedHosts: ['staging.example.com', 'qa.example.com']
+	 *   }
+	 * }
+	 * ```
+	 */
+
 	/**
 	 * @docs
 	 * @name server.open