Fix change log dup section.

CHANGES.md

@@ -9,6 +9,7 @@ creating a new release entry be sure to copy & paste the span tag with the
 `actions:bind` attribute, which is used by a regex to find the text to be
 updated. Only the first match gets replaced, so it's fine to leave the old
 ones in. -->
+
 -------------------------------------------------------------------------------
 ## __cylc-8.2.0 (<span actions:bind='release-date'>Upcoming</span>)__
 
@@ -25,6 +26,11 @@ Add the `-n` short option for `--workflow-name` to `cylc vip`; rename the `-n`
 short option for `--no-detach` to `-N`; add `-r` as a short option for
 `--run-name`.
 
+### Fixes
+[#5328](https://github.com/cylc/cylc-flow/pull/5328) -
+Efficiency improvements to reduce task management overheads on the Scheduler.
+
+
 -------------------------------------------------------------------------------
 ## __cylc-8.1.3 (<span actions:bind='release-date'>Released 2023-04-27</span>)__
 
@@ -82,13 +88,6 @@ platform names to be checked as if they were hosts.
 a workflow's log in the GUI or using `cylc cat-log` would prevent `cylc clean`
 from working.
 
--------------------------------------------------------------------------------
-## __cylc-8.2.0 (<span actions:bind='release-date'>Coming Soon</span>)__
-
-### Fixes
-[#5328](https://github.com/cylc/cylc-flow/pull/5328) -
-Efficiency improvements to reduce task management overheads on the Scheduler.
-
 -------------------------------------------------------------------------------
 ## __cylc-8.1.2 (<span actions:bind='release-date'>Released 2023-02-20</span>)__