diff --git a/Info.plist b/Info.plist
index 1521ebe..9060cb6 100644
--- a/Info.plist
+++ b/Info.plist
@@ -78,6 +78,7 @@
 			<dict>
 				<key>public.filename-extension</key>
 				<array>
+					<string>multimarkdown</string>
 					<string>markdown</string>
 					<string>mdown</string>
 					<string>md</string>