diff --git a/ruby/example_code/iam/spec/manage_roles_spec.rb b/ruby/example_code/iam/spec/manage_roles_spec.rb
index 35711665df9..80cbf7940a1 100644
--- a/ruby/example_code/iam/spec/manage_roles_spec.rb
+++ b/ruby/example_code/iam/spec/manage_roles_spec.rb
@@ -1,6 +1,6 @@
-require 'aws-sdk-iam'
-require 'rspec'
-require_relative '../manage_roles'
+require "aws-sdk-iam"
+require "rspec"
+require_relative "../manage_roles"
 
 describe RoleManager do
   let(:iam_client) { Aws::IAM::Client.new }
@@ -19,7 +19,7 @@
       ]
     }
   }
-  let(:policy_arns) { ['arn:aws:iam::aws:policy/ReadOnlyAccess'] }
+  let(:policy_arns) { ["arn:aws:iam::aws:policy/ReadOnlyAccess"] }
 
   before(:each) do
     role_manager.create_role(role_name, assume_role_policy_document, policy_arns)
@@ -29,31 +29,31 @@
     role_manager.delete_role(role_name) rescue nil # Clean up role
   end
 
-  describe '#create_role' do
-    it 'creates a role and returns its ARN' do
+  describe "#create_role" do
+    it "creates a role and returns its ARN" do
       role_arn = role_manager.create_role(role_name, assume_role_policy_document, policy_arns)
       expect(role_arn).to be_a(String)
-      expect(role_arn).to include('arn:aws:iam::')
+      expect(role_arn).to include("arn:aws:iam::")
     end
   end
 
-  describe '#list_roles' do
-    it 'lists available roles' do
+  describe "#list_roles" do
+    it "lists available roles" do
       roles = role_manager.list_roles(100) # Adjust count as necessary
       expect(roles).to include(role_name)
     end
   end
 
-  describe '#get_role' do
-    it 'retrieves data about a specific role' do
+  describe "#get_role" do
+    it "retrieves data about a specific role" do
       role = role_manager.get_role(role_name)
       expect(role).to be_a(Aws::IAM::Role)
       expect(role.role_name).to eq(role_name)
     end
   end
 
-  describe '#delete_role' do
-    it 'deletes a specified role' do
+  describe "#delete_role" do
+    it "deletes a specified role" do
       expect { role_manager.delete_role(role_name) }.not_to raise_error
     end
   end