diff --git a/lib/Http/AttachmentDownloadResponse.php b/lib/Http/AttachmentDownloadResponse.php
index 382ed10602..b94d182398 100644
--- a/lib/Http/AttachmentDownloadResponse.php
+++ b/lib/Http/AttachmentDownloadResponse.php
@@ -26,6 +26,10 @@
 
 use OCP\AppFramework\Http\DownloadResponse;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ * @todo spec template with 28+
+ */
 class AttachmentDownloadResponse extends DownloadResponse {
 	/** @var string */
 	private $content;
diff --git a/lib/Http/AvatarDownloadResponse.php b/lib/Http/AvatarDownloadResponse.php
index e15dc6fc0d..2511960f70 100644
--- a/lib/Http/AvatarDownloadResponse.php
+++ b/lib/Http/AvatarDownloadResponse.php
@@ -25,6 +25,10 @@
 
 use OCP\AppFramework\Http\DownloadResponse;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ * @todo spec template with 28+
+ */
 class AvatarDownloadResponse extends DownloadResponse {
 	/** @var string */
 	private $content;
diff --git a/lib/Http/HtmlResponse.php b/lib/Http/HtmlResponse.php
index 249b262b46..1de3564cbf 100644
--- a/lib/Http/HtmlResponse.php
+++ b/lib/Http/HtmlResponse.php
@@ -27,6 +27,10 @@
 
 use OCP\AppFramework\Http\Response;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ * @todo spec template with 28+
+ */
 class HtmlResponse extends Response {
 	/** @var string */
 	private $content;
diff --git a/lib/Http/JsonResponse.php b/lib/Http/JsonResponse.php
index 7d4c2b471b..b816495122 100644
--- a/lib/Http/JsonResponse.php
+++ b/lib/Http/JsonResponse.php
@@ -38,6 +38,8 @@
 
 /**
  * @see https://github.com/omniti-labs/jsend
+ * @psalm-suppress MissingTemplateParam
+ * @todo spec template with 28+
  */
 class JsonResponse extends Base {
 	public function __construct($data = [],
diff --git a/lib/Http/ProxyDownloadResponse.php b/lib/Http/ProxyDownloadResponse.php
index 8da259f262..8cc3b6ddff 100644
--- a/lib/Http/ProxyDownloadResponse.php
+++ b/lib/Http/ProxyDownloadResponse.php
@@ -27,6 +27,10 @@
 use DateTime;
 use OCP\AppFramework\Http\DownloadResponse;
 
+/**
+ * @psalm-suppress MissingTemplateParam
+ * @todo spec template with 28+
+ */
 class ProxyDownloadResponse extends DownloadResponse {
 	/** @var string */
 	private $content;