diff --git a/editions/tw5.com/tiddlers/filters/lookup Operator.tid b/editions/tw5.com/tiddlers/filters/lookup Operator.tid
index 33c47690c..1a7279f60 100644
--- a/editions/tw5.com/tiddlers/filters/lookup Operator.tid	
+++ b/editions/tw5.com/tiddlers/filters/lookup Operator.tid	
@@ -21,7 +21,7 @@ The action of this operator is as follows with 1 parameter:
 ** Substitute the default value for missing or empty values
 * Return the list of values
 
-<<.from-version "5.1.24">>
+<<.from-version "5.2.2">>
 
 The use of the `:index` second suffix changes the default lookup location from field: `text` to index: `0`. This is used if no 2nd parameter is provided.