diff --git a/_licenses/bsd-4-clause.txt b/_licenses/bsd-4-clause.txt
index c5c4a3e42..de3e72b14 100644
--- a/_licenses/bsd-4-clause.txt
+++ b/_licenses/bsd-4-clause.txt
@@ -7,8 +7,8 @@ description: A permissive license similar to the <a href="/licenses/bsd-3-clause
 how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of your source code and copy the text of the license into the file. Replace [year] with the current year and [fullname] with the name (or names) of the copyright holders. Replace [project] with the project organization, if any, that sponsors this work.
 
 using:
-  Choco-solver: https://github.com/chocoteam/choco-solver/blob/master/LICENSE
   PMSPAUR-public: https://github.com/ArthurGodet/PMSPAUR-public/blob/master/LICENSE
+  Sileo: https://github.com/Sileo/Sileo/blob/main/LICENSE
   Switchblade: https://github.com/SwitchbladeBot/switchblade/blob/dev/LICENSE
 
 permissions:
diff --git a/_licenses/zlib.txt b/_licenses/zlib.txt
index 911d7739e..90b564bf7 100644
--- a/_licenses/zlib.txt
+++ b/_licenses/zlib.txt
@@ -32,7 +32,7 @@ zlib License
 (C) [year] [fullname]
 
 This software is provided 'as-is', without any express or implied
-warranty.  In no event will the authors be held liable for any damages
+warranty. In no event will the authors be held liable for any damages
 arising from the use of this software.
 
 Permission is granted to anyone to use this software for any purpose,
diff --git a/script/check-approval b/script/check-approval
index 555d958d5..14853a665 100755
--- a/script/check-approval
+++ b/script/check-approval
@@ -11,18 +11,13 @@ require 'colored'
 require 'fuzzy_match'
 
 # Display usage instructions
-puts File.read(__FILE__).scan(/^# .*/)[0...3].join("\n").gsub(/^# /, '') if ARGV.count != 1
-
-class TrueClass
-  def to_s
-    'Yes'.green
-  end
+if ARGV.count != 1
+  puts File.read(__FILE__).scan(/^# .*/)[0...3].join("\n").gsub(/^# /, '')
+  exit 1
 end
 
-class FalseClass
-  def to_s
-    'No'.red
-  end
+def yes_no(value)
+  value ? 'Yes'.green : 'No'.red
 end
 
 license = ARGV[0].downcase.strip
@@ -47,16 +42,16 @@ rows << ['SPDX ID', id]
 rows << ['SPDX Name', name]
 
 approvals.each do |approver, licenses|
-  rows << ["#{approver} approved", licenses.include?(license)]
+  rows << ["#{approver} approved", yes_no(licenses.include?(license))]
 end
 
 license_ids = licenses.map { |l| l['id'] }
 current = license_ids.include?(license)
-rows << ['Current license', current]
+rows << ['Current license', yes_no(current)]
 
 rows << :separator
 eligible = !current && spdx && approved_licenses.include?(license)
-rows << ['Eligible', eligible]
+rows << ['Eligible', yes_no(eligible)]
 
 puts Terminal::Table.new title: "License: #{license}", rows:
 puts
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index feefb7623..af37f1a79 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -72,9 +72,7 @@ def spdx_list
   SpecHelper.spdx ||= begin
     url = 'https://spdx.org/licenses/licenses.json'
     list = JSON.parse(OpenURI.open_uri(url).read)['licenses']
-    list.each_with_object({}) do |values, memo|
-      memo[values['licenseId']] = values
-    end
+    list.to_h { |values| [values['licenseId'], values] }
   end
 end