diff --git a/README-settings-manager.md b/README-settings-manager.md
index 4b13608..7f9c50f 100644
--- a/README-settings-manager.md
+++ b/README-settings-manager.md
@@ -1,17 +1,19 @@
+# Settings Manager
+
 ## Introduction
 
 The settings manager has the following design goals:
 
-* Each setting should be a distinct D-Bus object.
+- Each setting should be a distinct D-Bus object.
 
-* The above makes it possible to not even create settings objects that do not
+- The above makes it possible to not even create settings objects that do not
   apply to a specific system.
 
-* It should be possible, for example, for host0/ and host1/ on a system with
-  two hosts to not only have different values for certain settings, but
-  have different applicable settings as well.
+- It should be possible, for example, for host0/ and host1/ on a system with two
+  hosts to not only have different values for certain settings, but have
+  different applicable settings as well.
 
-* It should be possible to specify default settings for a system at build-time,
+- It should be possible to specify default settings for a system at build-time,
   based on which the settings manager should at run-time create appropriate
   D-Bus objects and place them on the bus.
 
@@ -24,16 +26,16 @@
 
 Here's an example of how entries in the YAML would look:
 
-```
+```yaml
 /xyz/openbmc_project/control/host0/boot_mode:
-    Interface: xyz.openbmc_project.Control.Boot.Mode
-    Defaults:
-        BootMode: Mode::Modes::Regular
+  Interface: xyz.openbmc_project.Control.Boot.Mode
+  Defaults:
+    BootMode: Mode::Modes::Regular
 
 /xyz/openbmc_project/control/host1/boot_mode:
-    Interface: xyz.openbmc_project.Control.Boot.Mode
-    Defaults:
-        BootMode: Mode::Modes::Safe
+  Interface: xyz.openbmc_project.Control.Boot.Mode
+  Defaults:
+    BootMode: Mode::Modes::Safe
 ```
 
 It is possible to specify this policy file via a bitbake recipe for a system
diff --git a/settings.py b/settings.py
index 57053f7..0867fbc 100755
--- a/settings.py
+++ b/settings.py
@@ -1,32 +1,36 @@
 #!/usr/bin/env python3
 
+import argparse
 import os
+
 import yaml
 from mako.template import Template
-import argparse
 
 
 def main():
     parser = argparse.ArgumentParser(
-        description="Settings YAML parser and code generator")
+        description="Settings YAML parser and code generator"
+    )
 
     parser.add_argument(
-        '-i', '--settings_yaml', dest='settings_yaml',
-        default='settings_example.yaml', help='settings yaml file to parse')
+        "-i",
+        "--settings_yaml",
+        dest="settings_yaml",
+        default="settings_example.yaml",
+        help="settings yaml file to parse",
+    )
     args = parser.parse_args()
 
-    with open(os.path.join(script_dir, args.settings_yaml), 'r') as fd:
+    with open(os.path.join(script_dir, args.settings_yaml), "r") as fd:
         yamlDict = yaml.safe_load(fd)
 
         # Render the mako template
-        template = os.path.join(script_dir, 'settings_manager.mako.hpp')
+        template = os.path.join(script_dir, "settings_manager.mako.hpp")
         t = Template(filename=template)
-        with open('settings_manager.hpp', 'w') as fd:
-            fd.write(
-                t.render(
-                    settingsDict=yamlDict))
+        with open("settings_manager.hpp", "w") as fd:
+            fd.write(t.render(settingsDict=yamlDict))
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     script_dir = os.path.dirname(os.path.realpath(__file__))
     main()
diff --git a/settings.yaml b/settings.yaml
index 2f543b7..ba8fe62 100644
--- a/settings.yaml
+++ b/settings.yaml
@@ -69,7 +69,6 @@
         keyregex: "host"
         subtree: "/org/openbmc/control"
         matchregex: "control/(host\\d*)$"
-
 # Example of using regex
 #    macaddress:
 #        name: mac_address
diff --git a/settings_example.yaml b/settings_example.yaml
index d76b4c7..167c898 100644
--- a/settings_example.yaml
+++ b/settings_example.yaml
@@ -28,7 +28,7 @@
               Default: '"00:00:00:00:00:00"'
               Validation:
                   Type: "regex"
-                  Validator: '^([0-9A-F]{2}[:-]){5}([0-9A-F]{2})$'
+                  Validator: "^([0-9A-F]{2}[:-]){5}([0-9A-F]{2})$"
 
 /xyz/openbmc_project/control/host0/power_cap:
     - Interface: xyz.openbmc_project.Control.Power.Cap
@@ -40,7 +40,7 @@
                   Validator: "0..1000"
                   Unit: "Watts"
           PowerCapEnable:
-               Default: 'false'
+              Default: "false"
 
 # This interface also ends in Mode and sets an enum.
 /xyz/openbmc_project/control/power_mode: