diff --git a/src/crafting/CraftingManager.php b/src/crafting/CraftingManager.php
index 6891ecc2a..a04bdf0fa 100644
--- a/src/crafting/CraftingManager.php
+++ b/src/crafting/CraftingManager.php
@@ -167,6 +167,9 @@ class CraftingManager{
 		return $result;
 	}
 
+	/**
+	 * @param Item[] $outputs
+	 */
 	private static function hashOutputs(array $outputs) : string{
 		$outputs = self::pack($outputs);
 		usort($outputs, [self::class, "sort"]);
diff --git a/src/crafting/ShapelessRecipe.php b/src/crafting/ShapelessRecipe.php
index 53f20f55d..195b917fa 100644
--- a/src/crafting/ShapelessRecipe.php
+++ b/src/crafting/ShapelessRecipe.php
@@ -52,6 +52,9 @@ class ShapelessRecipe implements CraftingRecipe{
 		$this->results = Utils::cloneObjectArray($results);
 	}
 
+	/**
+	 * @return Item[]
+	 */
 	public function getResults() : array{
 		return Utils::cloneObjectArray($this->results);
 	}