diff --git a/pkgs/development/libraries/libmkv/default.nix b/pkgs/development/libraries/libmkv/default.nix
index 48e710c208f..9c89d2e8d7b 100644
--- a/pkgs/development/libraries/libmkv/default.nix
+++ b/pkgs/development/libraries/libmkv/default.nix
@@ -15,6 +15,11 @@ stdenv.mkDerivation rec {
   preConfigure = "sh bootstrap.sh";
 
   meta = {
+    description = "Abandoned library. Alternative lightweight Matroska muxer written for HandBrake";
+    longDescription = ''
+      Library was meant to be an alternative to the official libmatroska library.
+      It is written in plain C, and intended to be very portable.
+    '';
     homepage = https://github.com/saintdev/libmkv;
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.wmertens ];