diff --git a/src/Pool.php b/src/Pool.php
index 97726a8..eea7cba 100644
--- a/src/Pool.php
+++ b/src/Pool.php
@@ -3,9 +3,9 @@
 namespace Amp\Sql;
 
 /**
- * @template TResult extends Result
- * @template TStatement extends Statement
- * @template TTransaction extends Transaction
+ * @template TResult of Result
+ * @template TStatement of Statement
+ * @template TTransaction of Transaction
  *
  * @extends Link<TResult, TStatement, TTransaction>
  */