diff --git a/src/fundus/scraping/article.py b/src/fundus/scraping/article.py
index 77eb9d770..c459a4f80 100644
--- a/src/fundus/scraping/article.py
+++ b/src/fundus/scraping/article.py
@@ -18,12 +18,13 @@ class Article:
     html: HTML
     exception: Optional[Exception] = None
 
-    # supported attributes as defined in the guidelines
+    # supported (validated) attributes as defined in the guidelines
     title: Optional[str] = None
     authors: List[str] = field(default_factory=list)
     body: Optional[ArticleBody] = None
     publishing_date: Optional[datetime] = None
     topics: List[str] = field(default_factory=list)
+    free_access: bool = True
 
     @classmethod
     def from_extracted(cls, html: HTML, extracted: Dict[str, Any], exception: Optional[Exception] = None) -> "Article":