diff --git a/build/generate-registry-annotations.php b/build/generate-registry-annotations.php
index fffd76a95b..6b8fb00059 100644
--- a/build/generate-registry-annotations.php
+++ b/build/generate-registry-annotations.php
@@ -35,6 +35,7 @@ use function fwrite;
 use function implode;
 use function is_dir;
 use function ksort;
+use function lcfirst;
 use function mb_strtoupper;
 use function preg_match;
 use function sprintf;
@@ -84,9 +85,10 @@ function generateMethodAnnotations(string $namespaceName, array $members, array
 	foreach(Utils::stringifyKeys($overloadedMembers) as $baseName => $member){
 		$accessor = mb_strtoupper($baseName);
 		$returnTypehint = makeTypehint($namespaceName, new \ReflectionClass($member->memberClass));
-		$paramTypehint = makeTypehint($namespaceName, new \ReflectionClass($member->enumClass));
+		$enumReflect = new \ReflectionClass($member->enumClass);
+		$paramTypehint = makeTypehint($namespaceName, $enumReflect);
 
-		$memberLines[] = sprintf(" * @method static %s %s(%s)", $returnTypehint, $accessor, $paramTypehint);
+		$memberLines[] = sprintf(" * @method static %s %s(%s \$%s)", $returnTypehint, $accessor, $paramTypehint, lcfirst($enumReflect->getShortName()));
 	}
 	ksort($memberLines, SORT_STRING);
 
diff --git a/src/block/VanillaBlocks.php b/src/block/VanillaBlocks.php
index 79d5c59999..b75b23358a 100644
--- a/src/block/VanillaBlocks.php
+++ b/src/block/VanillaBlocks.php
@@ -79,10 +79,10 @@ use function strtolower;
  * @see build/generate-registry-annotations.php
  * @generate-registry-docblock
  *
- * @method static Sapling SAPLING(\pocketmine\block\utils\SaplingType)
- * @method static Leaves LEAVES(\pocketmine\block\utils\LeavesType)
- * @method static FloorSign SIGN(\pocketmine\block\utils\WoodType)
- * @method static WallSign WALL_SIGN(\pocketmine\block\utils\WoodType)
+ * @method static Sapling SAPLING(\pocketmine\block\utils\SaplingType $saplingType)
+ * @method static Leaves LEAVES(\pocketmine\block\utils\LeavesType $leavesType)
+ * @method static FloorSign SIGN(\pocketmine\block\utils\WoodType $woodType)
+ * @method static WallSign WALL_SIGN(\pocketmine\block\utils\WoodType $woodType)
  * @method static WoodenButton ACACIA_BUTTON()
  * @method static WoodenDoor ACACIA_DOOR()
  * @method static WoodenFence ACACIA_FENCE()
diff --git a/src/item/VanillaItems.php b/src/item/VanillaItems.php
index 9863f63366..2e5d59db5b 100644
--- a/src/item/VanillaItems.php
+++ b/src/item/VanillaItems.php
@@ -48,8 +48,8 @@ use function strtolower;
  * @see build/generate-registry-annotations.php
  * @generate-registry-docblock
  *
- * @method static Boat BOAT(BoatType)
- * @method static ItemBlockWallOrFloor SIGN(\pocketmine\block\utils\WoodType)
+ * @method static Boat BOAT(BoatType $boatType)
+ * @method static ItemBlockWallOrFloor SIGN(\pocketmine\block\utils\WoodType $woodType)
  * @method static Boat ACACIA_BOAT()
  * @method static ItemBlockWallOrFloor ACACIA_SIGN()
  * @method static ItemBlock AIR()