diff --git a/src/api/types.ts b/src/api/types.ts
index 9d9176873..5f1885b02 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -2286,7 +2286,7 @@ export type Level = 'cluster' | 'indices' | 'shards'
 
 export type LifecycleOperationMode = 'RUNNING' | 'STOPPING' | 'STOPPED'
 
-export type ManagedBy = 'Index Lifecycle Management' | 'Data Stream Lifecycle' | 'Unmanaged'
+export type ManagedBy = 'Index Lifecycle Management' | 'Data stream lifecycle' | 'Unmanaged'
 
 export type MapboxVectorTiles = ArrayBuffer
 
diff --git a/src/api/typesWithBodyKey.ts b/src/api/typesWithBodyKey.ts
index 7016b27c3..993be2b15 100644
--- a/src/api/typesWithBodyKey.ts
+++ b/src/api/typesWithBodyKey.ts
@@ -2359,7 +2359,7 @@ export type Level = 'cluster' | 'indices' | 'shards'
 
 export type LifecycleOperationMode = 'RUNNING' | 'STOPPING' | 'STOPPED'
 
-export type ManagedBy = 'Index Lifecycle Management' | 'Data Stream Lifecycle' | 'Unmanaged'
+export type ManagedBy = 'Index Lifecycle Management' | 'Data stream lifecycle' | 'Unmanaged'
 
 export type MapboxVectorTiles = ArrayBuffer