diff --git a/pkgs/games/quake3/content/arena.nix b/pkgs/games/quake3/content/arena.nix
index 1f1ea545fb9d..3d5b85717282 100644
--- a/pkgs/games/quake3/content/arena.nix
+++ b/pkgs/games/quake3/content/arena.nix
@@ -51,11 +51,11 @@ stdenv.mkDerivation (finalAttrs: {
 
       To switch to such a resolution, you will have to enter something like this in the quake console (invoke with ~ by default)
 
-      r_mode -1; r_customwidth 1920; r_customheight 1080; r_fullscreen 1; vid_restart
+      r_mode -1; r_customwidth 2560; r_customheight 1440; r_fullscreen 1; vid_restart
 
       Or call the quake commandline with these parameters
 
-      $  +set r_mode -1 +set r_customwidth 1920 +set r_customheight 1080 +set r_fullscreen 1 +vid_restart
+      $ quake3 +set r_mode -1 +set r_customwidth 2560 +set r_customheight 1440 +set r_fullscreen 1
     '';
     homepage = "https://www.idsoftware.com/";
     license = lib.licenses.unfreeRedistributable;
diff --git a/pkgs/games/quake3/content/demo.nix b/pkgs/games/quake3/content/demo.nix
index 678f582bb3b9..9be05d8b90bb 100644
--- a/pkgs/games/quake3/content/demo.nix
+++ b/pkgs/games/quake3/content/demo.nix
@@ -32,11 +32,11 @@ stdenv.mkDerivation {
 
       To switch to such a resolution, you will have to enter something like this in the quake console (invoke with ~ by default)
 
-      r_mode -1; r_customwidth 1920; r_customheight 1080; r_fullscreen 1; vid_restart
+      r_mode -1; r_customwidth 2560; r_customheight 1440; r_fullscreen 1; vid_restart
 
       Or call the quake commandline with these parameters
 
-      $ quake3 +set r_mode -1 +set r_customwidth 1920 +set r_customheight 1080 +set r_fullscreen 1 +vid_restart
+      $ quake3 +set r_mode -1 +set r_customwidth 2560 +set r_customheight 1440 +set r_fullscreen 1
     '';
     homepage = "https://www.idsoftware.com/";
     license = licenses.unfreeRedistributable;