diff --git a/cli.py b/cli.py
index 4291e3b..504da76 100644
--- a/cli.py
+++ b/cli.py
@@ -21,14 +21,14 @@ def load_local_blocklist(filename: str) -> [Instance]:
     return instances
 
 
-def blocklist_json_to_instances(blocklist_json):
+def blocklist_json_to_instances(blocklist_json: str):
     instances = []
     for i in blocklist_json:
         instances.append(Instance(i))
     return instances
 
 
-def load_remote_blocklist(server, token):
+def load_remote_blocklist(server: str, token: str):
     headers = {
         f'Authorization': f'Bearer {token}',
     }
@@ -68,5 +68,7 @@ def cli():
         diffs = Instance.list_diffs(local_blocklist, remote_blocklist)
         Instance.apply_blocks_from_diff(diffs, args.server, args.token)
 
+
 if __name__ == "__main__":
+    logging.basicConfig(level=logging.DEBUG)
     cli()
diff --git a/models.py b/models.py
index b97b5ff..dcc8aea 100644
--- a/models.py
+++ b/models.py
@@ -69,7 +69,7 @@ class Instance:
         if block_id is None:
             response = requests.post(f'https://{server}/api/v1/admin/domain_blocks', data=data, headers=headers)
         else:
-            response = requests.post(f'https://{server}/api/v1/admin/domain_blocks/{block_id}', data=data, headers=headers)
+            response = requests.put(f'https://{server}/api/v1/admin/domain_blocks/{block_id}', data=data, headers=headers)
         if response.status_code != 200:
             raise ConnectionError(f"Could not apply block ({response.status_code}: {response.reason})")