diff --git a/assets/martian.tweak.toml b/assets/martian.tweak.toml
index 444ab95..0b62b2e 100644
--- a/assets/martian.tweak.toml
+++ b/assets/martian.tweak.toml
@@ -41,7 +41,7 @@ rgba_background = "#000000AA"
 delay = 0.1
 text = [
 """
-At the intersection of humanity's wildest imaginations and the infinite of the cosmos, the lines between possible and real fall apart like dissolving paper.
+At the intersection of humanity's wildest imaginations and the infinity of the cosmos, the lines between possible and real fall apart like dissolving paper.
 """,
 """
 On Earth, a long tradition of combat and destruction between different groups has been upheld and respected; given a place of honor in the social mind. As spacetime stretches ever on, the rhyme of the universe plays out, and naturally includes such traditions.
@@ -290,5 +290,8 @@ fast_light_speed = 1.0
 #  N: Some value in-between
 undo_limit = -1
 
+#############
+### AI tweaks (mostly how long it waits to do stuff)
+#############
 [ai]
 lag_secs = 2.0
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 2c306b3..5d20c78 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -48,7 +48,7 @@ fn main() {
                 }),
                 ..default()
             }),
-    );
+    ).add_systems(Update, handle_window.run_if(just_pressed(KeyCode::F11)));
 
     app.add_plugins(credits::CreditsPlugin);
     app.add_plugins(debug::DebugPlugin);
@@ -185,3 +185,17 @@ where
 {
     Box::new(move |buttons: Res<ButtonInput<T>>| -> bool { buttons.pressed(button) })
 }
+
+
+fn handle_window(
+    mut query: Query<&mut Window>
+) {
+    use bevy::window::WindowMode;
+
+    query.iter_mut().for_each(|mut window| {
+        window.mode = match window.mode {
+            WindowMode::BorderlessFullscreen => WindowMode::Windowed,
+            _ => WindowMode::BorderlessFullscreen,
+        }
+    })
+}
\ No newline at end of file