diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4f7cf51bb..fd7b976945 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,10 +37,11 @@
 * [ENHANCEMENT] Added `mimirtool rules delete-namespace` command to delete all of the rule groups in a namespace including the namespace itself. #3136
 
 ### Documentation
-* [ENHANCEMENT] Documented how to configure HA deduplication using Consul in a Mimir Helm deployment. #2972
 
+* [ENHANCEMENT] Documented how to configure HA deduplication using Consul in a Mimir Helm deployment. #2972
 * [ENHANCEMENT] Improve `MimirQuerierAutoscalerNotActive` runbook. #3186
 * [ENHANCEMENT] Improve `MimirSchedulerQueriesStuck` runbook to reflect debug steps with querier auto-scaling enabled. #3223
+* [BUGFIX] Fixed TSDB retention mentioned in the "Recover source blocks from ingesters" runbook. #3278
 
 ### Tools
 
diff --git a/docs/sources/operators-guide/mimir-runbooks/_index.md b/docs/sources/operators-guide/mimir-runbooks/_index.md
index cc031db8ae..4805a4e8a3 100644
--- a/docs/sources/operators-guide/mimir-runbooks/_index.md
+++ b/docs/sources/operators-guide/mimir-runbooks/_index.md
@@ -1634,7 +1634,7 @@ When the compactor is **halted**:
 
 ### Recover source blocks from ingesters
 
-Ingesters keep, on their persistent disk, the blocks compacted from TSDB head until the `-experimental.tsdb.retention-period` retention expires. The **default retention is 4 days**, in order to give cluster operators enough time to react in case of a data loss incident.
+Ingesters keep, on their persistent disk, the blocks compacted from TSDB head until the `-blocks-storage.tsdb.retention-period` retention expires.
 
 The blocks retained in the ingesters can be used in case the compactor generates corrupted blocks and the source blocks, shipped from ingesters, have already been hard deleted from the bucket.