diff --git a/plugins/processors/clone/README.md b/plugins/processors/clone/README.md
index 1c0e81ce3..dd901ccc1 100644
--- a/plugins/processors/clone/README.md
+++ b/plugins/processors/clone/README.md
@@ -13,7 +13,8 @@ aggregators:
 * tags
 
 Select the metrics to modify using the standard [metric
-filtering](../../../docs/CONFIGURATION.md#metric-filtering) options.
+filtering](../../../docs/CONFIGURATION.md#metric-filtering) options. Filtering
+options apply to both the clone and the original.
 
 Values of *name_override*, *name_prefix*, *name_suffix* and already present
 *tags* with conflicting keys will be overwritten. Absent *tags* will be