Better space launch change email

update.py

@@ -6,12 +6,12 @@ import os
 import sys
 import typing
 from datetime import date, datetime
-from pprint import pformat
 from time import time
 
 import deepdiff  # type: ignore
 import flask
 import requests
+import yaml
 
 import agenda.bristol_waste
 import agenda.fx
@@ -116,7 +116,9 @@ def report_space_launch_change(
     body = f"""
 A space launch of interest was updated.
 
-{pformat(differences)}
+{yaml.dump(differences)}
+
+https://edwardbetts.com/agenda/launches
     """
 
     agenda.mail.send_mail(config, subject, body)