diff --git a/ansible/roles/qt5ct_setup/README.md b/ansible/roles/qt5ct_setup/README.md
index b05bc1f4b9c..a919ae98924 100644
--- a/ansible/roles/qt5ct_setup/README.md
+++ b/ansible/roles/qt5ct_setup/README.md
@@ -4,7 +4,7 @@
 
 The `qt5ct_setup` Ansible role automates the configuration of the `qt5ct` environment for Autoware. It ensures `qt5ct` is installed, configures the `qt5ct` settings, updates the QSS file paths, and ensures the correct Autoware directory is used.
 
-## Role Variables
+## Role variables
 
 This role does not require any external variables. It dynamically determines the Autoware directory within the user's home directory.
 
@@ -14,31 +14,31 @@ This role does not require any external variables. It dynamically determines the
 
 Installs the `qt5ct` package if it is not already present on the system.
 
-### 2. Find Autoware Directory
+### 2. Find Autoware directory
 
 Searches for directories named `autoware` within the user's home directory and verifies they contain the `ansible` folder to ensure it's the correct Autoware directory.
 
-### 3. Comment Out `QT_QPA_PLATFORMTHEME` Export Line
+### 3. Comment out `QT_QPA_PLATFORMTHEME` export line
 
 Finds and comments out any `QT_QPA_PLATFORMTHEME=qt5ct` export lines in the `/etc/X11/Xsession.d` directory to prevent conflicts with other qt applications.
 
-### 4. Ensure qt5ct Configuration Directory Exists
+### 4. Ensure qt5ct configuration directory exists
 
 Creates the `qt5ct` configuration directory (`~/.config/qt5ct`) if it does not exist.
 
-### 5. Copy Base `qt5ct.conf`
+### 5. Copy base `qt5ct.conf`
 
 Copies a base `qt5ct.conf` configuration file if it does not already exist in the `~/.config/qt5ct` directory.
 
-### 6. Append New Stylesheet
+### 6. Append new stylesheet
 
 Appends the new stylesheet path to the `qt5ct.conf` file, ensuring it does not overwrite existing stylesheets.
 
-### 7. Set Color Scheme and Style
+### 7. Set color scheme and style
 
 Ensures the color scheme is set to `darker.conf` and the style is set to `Fusion` in the `qt5ct.conf` file.
 
-### 8. Update QSS File Paths
+### 8. Update QSS file paths
 
 Updates the paths in the `autoware.qss` file to use absolute paths for icons.
 
@@ -46,7 +46,7 @@ Updates the paths in the `autoware.qss` file to use absolute paths for icons.
 
 Include the `qt5ct_setup` role in your playbook. Ensure your playbook includes the `autoware` directory and the required files (`base-qt5ct.conf` and `autoware.qss`) in the appropriate locations.
 
-### Example Playbook
+### Example playbook
 
 ```yaml
 - name: Setup qt5ct for Autoware
@@ -55,7 +55,7 @@ Include the `qt5ct_setup` role in your playbook. Ensure your playbook includes t
     - qt5ct_setup
 ```
 
-## File Structure
+## File structure
 
 ```
 qt5ct_setup/