diff --git a/Cargo.lock b/Cargo.lock
index 54f81ed..da42339 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -337,6 +337,12 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -1050,6 +1056,16 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
+[[package]]
+name = "pretty_assertions"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ae130e2f271fbc2ac3a40fb1d07180839cdbbe443c7a27e1e3c13c5cac0116d"
+dependencies = [
+ "diff",
+ "yansi",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.84"
@@ -1183,6 +1199,7 @@ dependencies = [
  "indoc",
  "libherokubuildpack",
  "nom",
+ "pretty_assertions",
  "regex",
  "reqwest",
  "sha2",
@@ -1967,3 +1984,9 @@ dependencies = [
  "linux-raw-sys",
  "rustix",
 ]
+
+[[package]]
+name = "yansi"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"
diff --git a/Cargo.toml b/Cargo.toml
index c60a2eb..03c4e83 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,3 +34,4 @@ libherokubuildpack = { version = "0.24.0", default-features = false, features =
 # File locking (FLOCK)
 fs2 = "0.4"
 
+pretty_assertions = "1.4.1"
diff --git a/jruby_executable/src/bin/jruby_changelog.rs b/jruby_executable/src/bin/jruby_changelog.rs
index 9989068..c861347 100644
--- a/jruby_executable/src/bin/jruby_changelog.rs
+++ b/jruby_executable/src/bin/jruby_changelog.rs
@@ -22,7 +22,7 @@ fn jruby_changelog(args: &Args) -> Result<(), Box<dyn Error>> {
     let changelog = formatdoc! {"
         ## JRuby version {version} is now available
 
-        [JRuby v{version}](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+        [JRuby v{version}](/articles/ruby-support-reference#ruby-versions) is now available on Heroku. To run
         your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
         ```ruby
diff --git a/ruby_executable/Cargo.toml b/ruby_executable/Cargo.toml
index 95a0893..2615983 100644
--- a/ruby_executable/Cargo.toml
+++ b/ruby_executable/Cargo.toml
@@ -21,3 +21,6 @@ libherokubuildpack = { workspace = true }
 chrono = { workspace = true }
 sha2 = { workspace = true }
 gem_version = { workspace = true }
+
+[dev-dependencies]
+pretty_assertions = { workspace = true }
diff --git a/ruby_executable/src/bin/ruby_changelog.rs b/ruby_executable/src/bin/ruby_changelog.rs
index 7ac624d..3edcc75 100644
--- a/ruby_executable/src/bin/ruby_changelog.rs
+++ b/ruby_executable/src/bin/ruby_changelog.rs
@@ -29,7 +29,7 @@ where
     let changelog = formatdoc! {"
         ## Ruby version {version} is now available
 
-        [Ruby v{version}](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+        [Ruby v{version}](/articles/ruby-support#ruby-versions) is now available on Heroku. To run \
         your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
         ```ruby
@@ -72,6 +72,7 @@ fn main() {
 #[cfg(test)]
 mod test {
     use super::*;
+    use pretty_assertions::assert_eq;
 
     #[test]
     fn regular_release() {
@@ -86,7 +87,7 @@ mod test {
 
                 ## Ruby version 3.3.2 is now available
 
-                [Ruby v3.3.2](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+                [Ruby v3.3.2](/articles/ruby-support#ruby-versions) is now available on Heroku. To run \
                 your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
                 ```ruby
@@ -95,7 +96,7 @@ mod test {
 
                 For more information on [Ruby 3.3.2, you can view the release announcement](https://www.ruby-lang.org/en/news/).
             "};
-        assert_eq!(actual.trim(), expected.trim());
+        assert_eq!(expected.trim(), actual.trim());
     }
 
     #[test]
@@ -111,7 +112,7 @@ mod test {
 
                 ## Ruby version 3.1.0-rc1 is now available
 
-                [Ruby v3.1.0-rc1](/articles/ruby-support#ruby-versions) is now available on Heroku. To run
+                [Ruby v3.1.0-rc1](/articles/ruby-support#ruby-versions) is now available on Heroku. To run \
                 your app using this version of Ruby, add the following `ruby` directive to your Gemfile:
 
                 ```ruby