diff --git a/blog/content/second-edition/posts/02-minimal-rust-kernel/index.md b/blog/content/second-edition/posts/02-minimal-rust-kernel/index.md
index 1b2db0fa..eb85e39b 100644
--- a/blog/content/second-edition/posts/02-minimal-rust-kernel/index.md
+++ b/blog/content/second-edition/posts/02-minimal-rust-kernel/index.md
@@ -203,9 +203,12 @@ Compiling for our new target will use Linux conventions (I'm not quite sure why,
 
 #[lang = "panic_fmt"] // define a function that should be called on panic
 #[no_mangle]
-pub extern "C" fn rust_begin_panic(_msg: core::fmt::Arguments,
-    _file: &'static str, _line: u32, _column: u32) -> !
-{
+pub extern "C" fn rust_begin_panic(
+    _msg: core::fmt::Arguments,
+    _file: &'static str,
+    _line: u32,
+    _column: u32,
+) -> ! {
     loop {}
 }
 
diff --git a/blog/content/second-edition/posts/03-vga-text-buffer/index.md b/blog/content/second-edition/posts/03-vga-text-buffer/index.md
index 1eaafa20..3b30fd25 100644
--- a/blog/content/second-edition/posts/03-vga-text-buffer/index.md
+++ b/blog/content/second-edition/posts/03-vga-text-buffer/index.md
@@ -71,22 +71,22 @@ First, we represent the different colors using an enum:
 #[derive(Debug, Clone, Copy)]
 #[repr(u8)]
 pub enum Color {
-    Black      = 0,
-    Blue       = 1,
-    Green      = 2,
-    Cyan       = 3,
-    Red        = 4,
-    Magenta    = 5,
-    Brown      = 6,
-    LightGray  = 7,
-    DarkGray   = 8,
-    LightBlue  = 9,
+    Black = 0,
+    Blue = 1,
+    Green = 2,
+    Cyan = 3,
+    Red = 4,
+    Magenta = 5,
+    Brown = 6,
+    LightGray = 7,
+    DarkGray = 8,
+    LightBlue = 9,
     LightGreen = 10,
-    LightCyan  = 11,
-    LightRed   = 12,
-    Pink       = 13,
-    Yellow     = 14,
-    White      = 15,
+    LightCyan = 11,
+    LightRed = 12,
+    Pink = 13,
+    Yellow = 14,
+    White = 15,
 }
 ```
 We use a [C-like enum] here to explicitly specify the number for each color. Because of the `repr(u8)` attribute each enum variant is stored as an `u8`. Actually 4 bits would be sufficient, but Rust doesn't have an `u4` type.
@@ -364,7 +364,7 @@ impl Writer {
                 self.buffer.chars[row - 1][col].write(character);
             }
         }
-        self.clear_row(BUFFER_HEIGHT-1);
+        self.clear_row(BUFFER_HEIGHT - 1);
         self.column_position = 0;
     }
 
diff --git a/src/main.rs b/src/main.rs
index b1295e0a..301cc121 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,9 +3,9 @@
 #![no_std] // don't link the Rust standard library
 #![no_main] // disable all Rust-level entry points
 
-extern crate volatile;
 extern crate rlibc;
 extern crate spin;
+extern crate volatile;
 #[macro_use]
 extern crate lazy_static;
 
@@ -24,9 +24,11 @@ pub extern "C" fn _start() -> ! {
 /// This function is called on panic.
 #[lang = "panic_fmt"]
 #[no_mangle]
-pub extern "C" fn rust_begin_panic(_msg: core::fmt::Arguments,
-                               _file: &'static str,
-                               _line: u32,
-                               _column: u32) -> ! {
+pub extern "C" fn rust_begin_panic(
+    _msg: core::fmt::Arguments,
+    _file: &'static str,
+    _line: u32,
+    _column: u32,
+) -> ! {
     loop {}
 }
diff --git a/src/vga_buffer.rs b/src/vga_buffer.rs
index 860d314c..7a0e98fe 100644
--- a/src/vga_buffer.rs
+++ b/src/vga_buffer.rs
@@ -18,22 +18,22 @@ lazy_static! {
 #[derive(Debug, Clone, Copy)]
 #[repr(u8)]
 pub enum Color {
-    Black      = 0,
-    Blue       = 1,
-    Green      = 2,
-    Cyan       = 3,
-    Red        = 4,
-    Magenta    = 5,
-    Brown      = 6,
-    LightGray  = 7,
-    DarkGray   = 8,
-    LightBlue  = 9,
+    Black = 0,
+    Blue = 1,
+    Green = 2,
+    Cyan = 3,
+    Red = 4,
+    Magenta = 5,
+    Brown = 6,
+    LightGray = 7,
+    DarkGray = 8,
+    LightBlue = 9,
     LightGreen = 10,
-    LightCyan  = 11,
-    LightRed   = 12,
-    Pink       = 13,
-    Yellow     = 14,
-    White      = 15,
+    LightCyan = 11,
+    LightRed = 12,
+    Pink = 13,
+    Yellow = 14,
+    White = 15,
 }
 
 /// A combination of a foreground and a background color.
@@ -119,7 +119,7 @@ impl Writer {
                 self.buffer.chars[row - 1][col].write(character);
             }
         }
-        self.clear_row(BUFFER_HEIGHT-1);
+        self.clear_row(BUFFER_HEIGHT - 1);
         self.column_position = 0;
     }