rename ObjectIdentifier.value to dotted_string
diff --git a/docs/x509.rst b/docs/x509.rst
index 9406bd8..aea084f 100644
--- a/docs/x509.rst
+++ b/docs/x509.rst
@@ -206,7 +206,7 @@
     Object identifiers (frequently seen abbreviated as OID) identify the type
     of a value (see: :class:`NameAttribute`).
 
-    .. attribute:: value
+    .. attribute:: dotted_string
 
         :type: :class:`str`