fix typos

policy/tpa-rfc-80-debian-trixie-upgrade-schedule.md

@@ -390,11 +390,11 @@ estimation technique][].
 | **Total**         | 23d      | ~high     | ~50d       |
 
 This is *roughly* equivalent, if a little higher (23 days instead of
-18), for exmaple.
+18), for example.
 
 It should be noted that automation is not expected to drastically
 reduce the total time spent in batches (currently 16 days or 100
-hours). The main goal of automation is more to reduce the likelyhood
+hours). The main goal of automation is more to reduce the likelihood
 of catastrophic errors, and make it easier to share our upgrade
 procedure with the world. We're still hoping to reduce the time spent
 in batches, hopefully by 10-20%, which would bring the total number of