diff --git a/API.md b/API.md
index 893ffaf..6d62dc5 100644
--- a/API.md
+++ b/API.md
@@ -375,7 +375,7 @@ Delete links from entry.
 ```
 
 # search
-Search in archive. Keys and fields in one search request will be combined with OR operator. If you enter more than one search request they will be combined with AND operator.
+Search in archive. Keys and fields in one search request will be combined with OR operator. If you leave out fields the search will be done in all fields. If you enter more than one search request they will be combined with AND operator.
 
 `curl -s -d '{"token":"MYSECRETTOKEN","search":[{"keys":["ertl","schögl"],"fields":[0,1]}]}' https://my.domain/v1/search`