diff --git a/src/Storages/MergeTree/MergeTreeData.cpp b/src/Storages/MergeTree/MergeTreeData.cpp
index 9eb7f65470b..bc4c8567842 100644
--- a/src/Storages/MergeTree/MergeTreeData.cpp
+++ b/src/Storages/MergeTree/MergeTreeData.cpp
@@ -1013,7 +1013,7 @@ void MergeTreeData::loadDataParts(bool skip_sanity_checks)
             ErrorCodes::TOO_MANY_UNEXPECTED_DATA_PARTS);
 
     for (auto & part : broken_parts_to_detach)
-        part->renameToDetached("broken-on-start"); /// detached parts prefixes must not have '_' in prefixes
+        part->renameToDetached("broken-on-start"); /// detached parts must not have '_' in prefixes
 
 
     /// Delete from the set of current parts those parts that are covered by another part (those parts that