diff --git a/app-editors/bluegriffon-bin/metadata.xml b/app-editors/bluegriffon-bin/metadata.xml
index 134df5df8e..eec4fc3c38 100644
--- a/app-editors/bluegriffon-bin/metadata.xml
+++ b/app-editors/bluegriffon-bin/metadata.xml
@@ -6,7 +6,7 @@
 		<name>Denis Reva</name>
 		<description>RarogCmex</description>
 	</maintainer>
-	<longdescription>BlueGriffon
+	<longdescription lang="en">BlueGriffon
 		The next-gen Web and EPUB Editor based on the rendering engine of Firefox
 
 		« My HTML Editor is BlueGriffon, an intuitive, modern and robust application.