diff --git a/lib/Doctrine/Common/Annotations/DocLexer.php b/lib/Doctrine/Common/Annotations/DocLexer.php
index dbf60c0d5..dbba52522 100644
--- a/lib/Doctrine/Common/Annotations/DocLexer.php
+++ b/lib/Doctrine/Common/Annotations/DocLexer.php
@@ -16,7 +16,7 @@
 /**
  * Simple lexer for docblock annotations.
  *
- * @template-extends AbstractLexer<DocLexer::T_*>
+ * @template-extends AbstractLexer<DocLexer::T_*, string>
  */
 final class DocLexer extends AbstractLexer
 {