diff --git a/src/bus.rs b/src/bus.rs
index 9dff821..ef7aeb1 100644
--- a/src/bus.rs
+++ b/src/bus.rs
@@ -6,7 +6,7 @@ use super::ppu::PPU;
 pub struct Bus {
     boot: Option<[u8; 256]>, // Boot ROM is 256b long
     cartridge: Option<Cartridge>,
-    ppu: PPU
+    ppu: PPU,
 }
 
 impl Default for Bus {
diff --git a/src/ppu.rs b/src/ppu.rs
index 8319aea..e1adaef 100644
--- a/src/ppu.rs
+++ b/src/ppu.rs
@@ -13,7 +13,7 @@ impl Default for PPU {
     }
 }
 
-#[derive(Debug,Default, Clone, Copy)]
+#[derive(Debug, Default, Clone, Copy)]
 struct LCDControl {
     lcd_enable: bool, // Bit 7
     window_tile_map_select: bool,