diff --git a/dev-scheme/gauche-gtk/metadata.xml b/dev-scheme/gauche-gtk/metadata.xml
index f91580dbecff5..883d438926be9 100644
--- a/dev-scheme/gauche-gtk/metadata.xml
+++ b/dev-scheme/gauche-gtk/metadata.xml
@@ -5,8 +5,8 @@
 		<email>hattya@gentoo.org</email>
 	</maintainer>
 	<longdescription>
-    Gauche extension module to use GTK.
-  </longdescription>
+		Gauche extension module to use GTK.
+	</longdescription>
 	<use>
 		<flag name="glgd">Enable GL graph draw</flag>
 	</use>