diff --git a/pkgs/development/python-modules/vcard/default.nix b/pkgs/development/python-modules/vcard/default.nix
index d984e7c106cc..5e83f498722b 100644
--- a/pkgs/development/python-modules/vcard/default.nix
+++ b/pkgs/development/python-modules/vcard/default.nix
@@ -28,7 +28,11 @@ buildPythonPackage rec {
   meta = {
     homepage = "https://gitlab.com/engmark/vcard";
     description = "vCard validator, class and utility functions";
+    longDescription = ''
+      This program can be used for strict validation and parsing of vCards. It currently supports vCard 3.0 (RFC 2426).
+    '';
     license = lib.licenses.agpl3Plus;
+    mainProgram = "vcard";
     maintainers = [ lib.maintainers.l0b0 ];
   };
 }