Update CHANGELOG.md

CHANGELOG.md

@@ -11,7 +11,7 @@
 
 - Add json output of tipsets to `louts chain list`. ([filecoin-project/lotus#12691](https://github.com/filecoin-project/lotus/pull/12691))
 - Remove IPNI advertisement relay over pubsub via Lotus node as it now has been deprecated. ([filecoin-project/lotus#12768](https://github.com/filecoin-project/lotus/pull/12768)
-- Add `LOTUS_MIGRATE_PROGRESS_LOG_SECONDS` environment variable to control the log period of the migration progress. ([filecoin-project/lotus#12732](https://github.com/filecoin-project/lotus/pull/12732))
+- During a network upgrade, log migration progress every 2 seconds so they are more helpful and informative. The `LOTUS_MIGRATE_PROGRESS_LOG_SECONDS` environment variable can be used to change this if needed. ([filecoin-project/lotus#12732](https://github.com/filecoin-project/lotus/pull/12732))
 
 # UNRELEASED v.1.32.0