diff --git a/dev-scheme/stklos/metadata.xml b/dev-scheme/stklos/metadata.xml
index c86bcef..78cbc41 100644
--- a/dev-scheme/stklos/metadata.xml
+++ b/dev-scheme/stklos/metadata.xml
@@ -1,18 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+
 <pkgmetadata>
-	<maintainer type="person">
-		<email>xgqt@riseup.net</email>
-		<name>Maciej Barć</name>
-	</maintainer>
-	<longdescription lang="en">
-		STklos is a free Scheme system supporting most of the languages
-		features defined in R5RS. The aim of this implementation is to
-		be fast as well as light. The implementation is based on an ad-hoc
-		Virtual Machine. STklos can also be compiled as a library and
-		embedded in an application.
-	</longdescription>
-	<upstream>
-		<remote-id type="github">egallesio/STklos</remote-id>
-	</upstream>
+  <maintainer type="person">
+    <email>xgqt@riseup.net</email>
+    <name>Maciej Barć</name>
+  </maintainer>
+  <longdescription lang="en">
+    STklos is a free Scheme system supporting most of the languages
+    features defined in R5RS. The aim of this implementation is to
+    be fast as well as light. The implementation is based on an ad-hoc
+    Virtual Machine. STklos can also be compiled as a library and
+    embedded in an application.
+  </longdescription>
+  <upstream>
+    <bugs-to>https://github.com/egallesio/STklos</bugs-to>
+    <remote-id type="github">egallesio/STklos</remote-id>
+  </upstream>
 </pkgmetadata>