fix download link for attachments
diff --git a/migration/src/jira2github_import.py b/migration/src/jira2github_import.py
index 0663c28..4d58541 100644
--- a/migration/src/jira2github_import.py
+++ b/migration/src/jira2github_import.py
@@ -21,7 +21,7 @@
 
 
 def attachment_url(issue_num: int, filename: str, att_repo: str, att_branch: str) -> str:
-    return f"https://github.com/{att_repo}/blob/{att_branch}/attachments/{jira_issue_id(issue_num)}/{quote(filename)}"
+    return f"https://raw.githubusercontent.com/{att_repo}/{att_branch}/attachments/{jira_issue_id(issue_num)}/{quote(filename)}"
 
 
 #def may_markup(gh_account: str) -> bool: