diff --git a/src/Atom/Authors.php b/src/Atom/Authors.php
index f7e2578..111ea9c 100644
--- a/src/Atom/Authors.php
+++ b/src/Atom/Authors.php
@@ -36,7 +36,11 @@ public function __toString(): string
         return $compiled;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Atom/Categories.php b/src/Atom/Categories.php
index 87779af..752137b 100644
--- a/src/Atom/Categories.php
+++ b/src/Atom/Categories.php
@@ -36,7 +36,11 @@ public function __toString(): string
         return $compiled;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Atom/Contributors.php b/src/Atom/Contributors.php
index 1d0de2d..dde8e35 100644
--- a/src/Atom/Contributors.php
+++ b/src/Atom/Contributors.php
@@ -36,7 +36,11 @@ public function __toString(): string
         return $compiled;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Atom/Entries.php b/src/Atom/Entries.php
index efe1aac..193d4e8 100644
--- a/src/Atom/Entries.php
+++ b/src/Atom/Entries.php
@@ -50,7 +50,11 @@ public function __toString(): string
         return $compiled;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Atom/Links.php b/src/Atom/Links.php
index ac75ecb..7b10b13 100644
--- a/src/Atom/Links.php
+++ b/src/Atom/Links.php
@@ -36,7 +36,11 @@ public function __toString(): string
         return $compiled;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Json/Attachments.php b/src/Json/Attachments.php
index b60d088..1e4a370 100644
--- a/src/Json/Attachments.php
+++ b/src/Json/Attachments.php
@@ -26,7 +26,11 @@ final private function __construct(Attachment ...$attachments)
         $this->collection = $attachments;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Json/Authors.php b/src/Json/Authors.php
index f444d15..797c516 100644
--- a/src/Json/Authors.php
+++ b/src/Json/Authors.php
@@ -26,7 +26,11 @@ final private function __construct(Author ...$authors)
         $this->collection = $authors;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Json/CustomObjects.php b/src/Json/CustomObjects.php
index e1a4e1a..b140526 100644
--- a/src/Json/CustomObjects.php
+++ b/src/Json/CustomObjects.php
@@ -26,7 +26,11 @@ final private function __construct(CustomObject ...$objects)
         $this->collection = $objects;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Json/Hubs.php b/src/Json/Hubs.php
index 989fd00..61f6378 100644
--- a/src/Json/Hubs.php
+++ b/src/Json/Hubs.php
@@ -26,7 +26,11 @@ final private function __construct(Hub ...$hubs)
         $this->collection = $hubs;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Json/Items.php b/src/Json/Items.php
index c4b594b..fe27790 100644
--- a/src/Json/Items.php
+++ b/src/Json/Items.php
@@ -26,7 +26,11 @@ final private function __construct(Item ...$items)
         $this->collection = $items;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;
diff --git a/src/Rss/Categories.php b/src/Rss/Categories.php
index 989763c..f546481 100644
--- a/src/Rss/Categories.php
+++ b/src/Rss/Categories.php
@@ -36,7 +36,11 @@ public function __toString(): string
         return $compiled;
     }
 
-    /** JsonSerializable **/
+    /**
+     * JsonSerializable
+     *
+     * @return array<string, string>
+     **/
     public function jsonSerialize(): array
     {
         return $this->collection;