diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e013a7..bb97405 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,3 +11,5 @@
 ## Internal
 
 - Test Windows targets in CI (#46, @tommilligan)
+- Bump `ansi_term` version to 0.12 (#34, @waywardmonkeys)
+- Code health improvements (#34, @waywardmonkeys)
diff --git a/Cargo.toml b/Cargo.toml
index 9651cd6..c44283b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ travis-ci = { repository = "colin-kiegel/rust-pretty-assertions" }
 
 [dependencies]
 difference = "2.0.0"
-ansi_term = "0.11.0"
+ansi_term = "0.12.1"
 
 [target.'cfg(windows)'.dependencies]
 output_vt100 = "0.1.2"
diff --git a/src/format_changeset.rs b/src/format_changeset.rs
index 5c4b434..fb77428 100644
--- a/src/format_changeset.rs
+++ b/src/format_changeset.rs
@@ -76,7 +76,7 @@ macro_rules! join {
     (
         $elem:ident in ($iter:expr) {
             $( $body:tt )*
-        } seperated by {
+        } separated by {
             $( $separator:tt )*
         }
     ) => (
@@ -103,7 +103,7 @@ pub fn format_replacement(f: &mut dyn fmt::Write, added: &str, removed: &str) ->
             Difference::Same(ref word_diff) => {
                 join!(chunk in (word_diff.split('\n')) {
                     paint!(f, Red, "{}", chunk)?;
-                } seperated by {
+                } separated by {
                     writeln!(f)?;
                     paint!(f, Red, "{}", SIGN_LEFT)?;
                 });
@@ -111,7 +111,7 @@ pub fn format_replacement(f: &mut dyn fmt::Write, added: &str, removed: &str) ->
             Difference::Rem(ref word_diff) => {
                 join!(chunk in (word_diff.split('\n')) {
                     paint!(f, Red.on(Fixed(52)).bold(), "{}", chunk)?;
-                } seperated by {
+                } separated by {
                     writeln!(f)?;
                     paint!(f, Red.bold(), "{}", SIGN_LEFT)?;
                 });
@@ -128,7 +128,7 @@ pub fn format_replacement(f: &mut dyn fmt::Write, added: &str, removed: &str) ->
             Difference::Same(ref word_diff) => {
                 join!(chunk in (word_diff.split('\n')) {
                     paint!(f, Green, "{}", chunk)?;
-                } seperated by {
+                } separated by {
                     writeln!(f)?;
                     paint!(f, Green, "{}", SIGN_RIGHT)?;
                 });
@@ -136,7 +136,7 @@ pub fn format_replacement(f: &mut dyn fmt::Write, added: &str, removed: &str) ->
             Difference::Add(ref word_diff) => {
                 join!(chunk in (word_diff.split('\n')) {
                     paint!(f, Green.on(Fixed(22)).bold(), "{}", chunk)?;
-                } seperated by {
+                } separated by {
                     writeln!(f)?;
                     paint!(f, Green.bold(), "{}", SIGN_RIGHT)?;
                 });
diff --git a/src/lib.rs b/src/lib.rs
index abe6569..10c4ec2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,31 +14,29 @@
 //!
 //! Yep — and you only need **one line of code** to make it happen:
 //!
-//! ```rust,ignore
+//! ```rust
 //! use pretty_assertions::{assert_eq, assert_ne};
 //! ```
 //!
 //! <details>
 //! <summary>Show the example behind the screenshots above.</summary>
 //!
-//! ```rust,ignore
+//! ```rust,should_panic
 //! // 1. add the `pretty_assertions` dependency to `Cargo.toml`.
 //! // 2. insert this line at the top of each module, as needed
 //! use pretty_assertions::{assert_eq, assert_ne};
 //!
-//! fn main() {
-//!     #[derive(Debug, PartialEq)]
-//!     struct Foo {
-//!         lorem: &'static str,
-//!         ipsum: u32,
-//!         dolor: Result<String, String>,
-//!     }
+//! #[derive(Debug, PartialEq)]
+//! struct Foo {
+//!     lorem: &'static str,
+//!     ipsum: u32,
+//!     dolor: Result<String, String>,
+//! }
 //!
-//!     let x = Some(Foo { lorem: "Hello World!", ipsum: 42, dolor: Ok("hey".to_string())});
-//!     let y = Some(Foo { lorem: "Hello Wrold!", ipsum: 42, dolor: Ok("hey ho!".to_string())});
+//! let x = Some(Foo { lorem: "Hello World!", ipsum: 42, dolor: Ok("hey".to_string())});
+//! let y = Some(Foo { lorem: "Hello Wrold!", ipsum: 42, dolor: Ok("hey ho!".to_string())});
 //!
-//!     assert_eq!(x, y);
-//! }
+//! assert_eq!(x, y);
 //! ```
 //! </details>
 //!
@@ -50,7 +48,7 @@
 //!
 //! Also add `#[cfg(test)]` to your `use` statements, like this:
 //!
-//! ```rust,ignore
+//! ```rust
 //! #[cfg(test)]
 //! use pretty_assertions::{assert_eq, assert_ne};
 //! ```