fix: error message

src/biz/workspace/ops.rs

@@ -605,7 +605,7 @@ fn check_collab_publish_name(publish_name: &str) -> Result<(), AppError> {
   // Check len
   if publish_name.len() > 50 {
     return Err(AppError::InvalidRequest(
-      "Document name must be at most 20 characters long".to_string(),
+      "Document name must be at most 50 characters long".to_string(),
     ));
   }