matrix-dl: fix license

I initially looked at the wrong places for this, where it's actually
stated in setup.py.  I'm not quite a python guy.

1 files changed, 1 insertions, 1 deletions

diff --git a/pkgs/applications/networking/instant-messengers/matrix-dl/default.nix b/pkgs/applications/networking/instant-messengers/matrix-dl/default.nix
index 21d5218721456..97f7752202297 100644
--- a/pkgs/applications/networking/instant-messengers/matrix-dl/default.nix
+++ b/pkgs/applications/networking/instant-messengers/matrix-dl/default.nix
@@ -18,7 +18,7 @@ python3Packages.buildPythonApplication rec {
   meta = with lib; {
     description = "Download backlogs from Matrix as raw text";
     homepage = src.meta.homepage;
-    license = licenses.unfree;
+    license = licenses.gpl1Plus;
     maintainers = with maintainers; [ aw ];
     platforms = platforms.unix;
   };