diff --git a/dev-python/protobuf-python/metadata.xml b/dev-python/protobuf-python/metadata.xml
index b9347a6d83401..8d8b67a02e175 100644
--- a/dev-python/protobuf-python/metadata.xml
+++ b/dev-python/protobuf-python/metadata.xml
@@ -1,25 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-<maintainer type="person">
-	<email>tomboy64@sina.cn</email>
-</maintainer>
-<maintainer type="person">
-	<email>arfrever.fta@gmail.com</email>
-	<name>Arfrever Frehtes Taifersar Arahesis</name>
-</maintainer>
-<maintainer type="project">
-	<email>python@gentoo.org</email>
-	<name>Gentoo Python Project</name>
-</maintainer>
-<maintainer type="project">
-	<email>proxy-maint@gentoo.org</email>
-	<name>Gentoo Proxy Maintainers Project</name>
-</maintainer>
-<slots>
-	<subslots>soname major version number of protobuf</subslots>
-</slots>
-<upstream>
-	<remote-id type="github">google/protobuf</remote-id>
-</upstream>
+	<maintainer type="person">
+		<email>arfrever.fta@gmail.com</email>
+		<name>Arfrever Frehtes Taifersar Arahesis</name>
+	</maintainer>
+	<maintainer type="person">
+		<email>tomboy64@sina.cn</email>
+	</maintainer>
+	<maintainer type="project">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+		<name>Python</name>
+	</maintainer>
+	<slots>
+		<subslots>Soname version number of Protobuf</subslots>
+	</slots>
+	<upstream>
+		<remote-id type="github">google/protobuf</remote-id>
+	</upstream>
 </pkgmetadata>