diff --git a/python_cli/sniffle/advdata/constants_generator.py b/python_cli/sniffle/advdata/constants_generator.py
index 5a6950a..5cd102c 100755
--- a/python_cli/sniffle/advdata/constants_generator.py
+++ b/python_cli/sniffle/advdata/constants_generator.py
@@ -67,22 +67,26 @@ def pretty_print_dict(d, key_digits=4):
     return "\n".join(lines)
 
 def main():
+    print("Fetching company identifiers")
     comp_ids_yaml = fetch_assigned_numbers("company_identifiers/company_identifiers.yaml")
     company_identifiers = {}
     for c in decode_yaml(comp_ids_yaml)["company_identifiers"]:
         company_identifiers[c["value"]] = c["name"]
 
+    print("Fetching AD types")
     ad_types_yaml = fetch_assigned_numbers("core/ad_types.yaml")
     ad_types = {}
     for t in decode_yaml(ad_types_yaml)["ad_types"]:
         ad_types[t["value"]] = t["name"]
 
+    print("Fetching service UUIDs")
     service_uuids_yaml = fetch_assigned_numbers("uuids/service_uuids.yaml")
     service_uuids16 = {}
     for u in decode_yaml(service_uuids_yaml)["uuids"]:
         service_uuids16[u["uuid"]] = u["name"]
 
     constants_file_path = os.path.join(os.path.dirname(__file__), "constants.py")
+    print("Writing", constants_file_path)
     with open(constants_file_path, 'w') as f:
         f.write("# Auto generated by constants_generator.py\n\n")
         f.write("company_identifiers = ")