diff --git a/Changelog.md b/Changelog.md
new file mode 100644
index 0000000..68f778d
--- /dev/null
+++ b/Changelog.md
@@ -0,0 +1,7 @@
+# pfsense-netbox-sync
+
+## [Unreleased]
+
+## [0.1.0]
+
+- Initial release.
\ No newline at end of file
diff --git a/README.md b/README.md
index 695cc34..645183b 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,12 @@ corresponding DNS entries on pfSense DNS resolver.
 
 ## Installation
 
+This package is available on PyPi. You can install it using pip.
+
+```
+$ pip install pfsense-netbox-sync
+```
+
 ## Configuration
 
 ### On NetBox
@@ -44,7 +50,7 @@ The following env variables will need to be set:
 You can then execute the script using the following command:
 
 ```
-PF_API_URL=xx PF_API_USER=xx PF_API_PASS=xx NB_API_URL=xx NB_API_TOKEN=xx python3 -m app
+PF_API_URL=xx PF_API_USER=xx PF_API_PASS=xx NB_API_URL=xx NB_API_TOKEN=xx python3 -m pfsense_netbox_sync
 ```
 
 The script will indicate any change made.
\ No newline at end of file
diff --git a/pfsense_netbox_sync/__init__.py b/pfsense_netbox_sync/__init__.py
index cb3bd7b..b518b29 100644
--- a/pfsense_netbox_sync/__init__.py
+++ b/pfsense_netbox_sync/__init__.py
@@ -14,7 +14,7 @@ import urllib3
 from requests.auth import HTTPBasicAuth
 
 
-def fetch_netbox_host_overrides(nb_api: pynetbox.api) -> dict:
+def _fetch_netbox_host_overrides(nb_api: pynetbox.api) -> dict:
     """
     Fetch and build a list of host override from a NetBox instance
     :param nb_api: the NetBox API client
@@ -42,7 +42,7 @@ def fetch_netbox_host_overrides(nb_api: pynetbox.api) -> dict:
     return nb_host_overrides
 
 
-def fetch_pfsense_host_overrides() -> dict:
+def _fetch_pfsense_host_overrides() -> dict:
     """
     Fetch and build a list of host override from a pfSense instance
     :return: the list of host overrides mapped by their hostname
@@ -70,7 +70,7 @@ def fetch_pfsense_host_overrides() -> dict:
     return pf_host_overrides
 
 
-def compute_host_overrides_changes(
+def _compute_host_overrides_changes(
         netbox_host_overrides: dict,
         pfsense_host_overrides: dict,
 ) -> (List[dict], List[dict], List[dict]):
@@ -120,7 +120,7 @@ def process_new_host_overrides(host_overrides: List[dict]):
             sys.exit(1)
 
 
-def process_changed_host_overrides(pf_host_overrides: dict, host_overrides: List[dict]):
+def _process_changed_host_overrides(pf_host_overrides: dict, host_overrides: List[dict]):
     """
     Process the changed host overrides. This will update them into the pfSense instance
     :param pf_host_overrides: the actual host overrides coming from the pfSense instance
@@ -149,7 +149,7 @@ def process_changed_host_overrides(pf_host_overrides: dict, host_overrides: List
             sys.exit(1)
 
 
-def process_deleted_host_overrides(host_overrides: List[dict]):
+def _process_deleted_host_overrides(host_overrides: List[dict]):
     """
     Process the deleted host overrides. This will delete them from the pfSense instance
     :param host_overrides: the deleted host overrides
@@ -182,13 +182,13 @@ def main():
     )
 
     # First, built the host overrides using Netbox as source
-    nb_host_overrides = fetch_netbox_host_overrides(nb_api)
+    nb_host_overrides = _fetch_netbox_host_overrides(nb_api)
 
     # Then fetch the actual host overrides from pfSense API
-    pf_host_overrides = fetch_pfsense_host_overrides()
+    pf_host_overrides = _fetch_pfsense_host_overrides()
 
     # Compute the changes
-    (new_host_overrides, changed_host_overrides, deleted_host_overrides) = compute_host_overrides_changes(
+    (new_host_overrides, changed_host_overrides, deleted_host_overrides) = _compute_host_overrides_changes(
         nb_host_overrides,
         pf_host_overrides,
     )
@@ -207,19 +207,19 @@ def main():
     process_new_host_overrides(new_host_overrides)
 
     # Then process the changed host overrides
-    process_changed_host_overrides(pf_host_overrides, changed_host_overrides)
+    _process_changed_host_overrides(pf_host_overrides, changed_host_overrides)
 
     # Once it's done, re-fetch the actual host overrides from pfSense API (because the ID may have changed)
-    pf_host_overrides = fetch_pfsense_host_overrides()
+    pf_host_overrides = _fetch_pfsense_host_overrides()
 
     # Re-compute the changes (only for the deleted this time)
-    (_, _, deleted_host_overrides) = compute_host_overrides_changes(
+    (_, _, deleted_host_overrides) = _compute_host_overrides_changes(
         nb_host_overrides,
         pf_host_overrides,
     )
 
     # Finally process the deleted host overrides
-    process_deleted_host_overrides(deleted_host_overrides)
+    _process_deleted_host_overrides(deleted_host_overrides)
 
     # Finally restart the DNS resolver
     r = requests.post(
diff --git a/pyproject.toml b/pyproject.toml
index 6b39667..2b9d590 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,6 +25,7 @@ dependencies = [
 [project.urls]
 Homepage = "https://git.creekorful.cloud/creekorful/pfsense-netbox-sync"
 Issues = "https://git.creekorful.cloud/creekorful/pfsense-netbox-sync/issues"
+Changelog = "https://git.creekorful.cloud/creekorful/pfsense-netbox-sync/src/branch/main/Changelog.md"
 
 [project.scripts]
 pfnbsync = "pfsense_netbox_sync:main"