diff --git a/musicxml/src/datatypes/group_barline_value.rs b/musicxml/src/datatypes/group_barline_value.rs
index 2f6342a..b2ab626 100644
--- a/musicxml/src/datatypes/group_barline_value.rs
+++ b/musicxml/src/datatypes/group_barline_value.rs
@@ -8,7 +8,7 @@ pub enum GroupBarlineValue {
   Yes,
   /// ![No](https://hedgetechllc.github.io/musicxml/musicxml/datatypes/group-barline-value-no.png)
   No,
-  /// ![Mensurstrich](https://hedgetechllc.github.io/musicxml/musicxml/datatypes/group-barline-value-mensurstrich.png)
+  /// ![Mensurstrich](https://hedgetechllc.github.io/musicxml/musicxml/datatypes/group-barline-value-Mensurstrich.png)
   #[rename("Mensurstrich")]
   Mensurstrich,
 }
diff --git a/musicxml/src/elements/rights.rs b/musicxml/src/elements/rights.rs
index 55eebd2..4c34fd9 100644
--- a/musicxml/src/elements/rights.rs
+++ b/musicxml/src/elements/rights.rs
@@ -7,7 +7,7 @@ use musicxml_macros::*;
 pub struct RightsAttributes {
   /// Standard type values are music, words, and arrangement, but other types may be used.
   /// This attribute is only needed when there are multiple [Rights] elements.
-  pub r#type: Token,
+  pub r#type: Option<Token>,
 }
 
 /// The [Rights] element contains copyright and other intellectual property notices.