1 files changed, 7 insertions, 5 deletions
diff --git a/sci-mathematics/twelf/metadata.xml b/sci-mathematics/twelf/metadata.xml
index 4a8bae3f4e32..938124fd245e 100644
--- a/sci-mathematics/twelf/metadata.xml
+++ b/sci-mathematics/twelf/metadata.xml
@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "https://liguros.gitlab.io/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
- <longdescription lang="en">
+  <!-- maintainer-needed -->
+  <longdescription lang="en">
   Twelf is an implementation of the logical framework LF. It is used for
   logic programming and for the formalization of programming language
   theory.
   </longdescription>
- 
- <origin>liguros-repo</origin>
-</pkgmetadata>
-\ No newline at end of file
+  <upstream>
+    <remote-id type="github">standardml/twelf</remote-id>
+  </upstream>
+</pkgmetadata>