feat: edit doc

docs/reference/search-fields.md

@@ -16,12 +16,24 @@ These fields are used in the following context:
 
 ## Fields
 
-### Publisher
+### Organization
 
-> Field id: `publisher`
+> Field id: `organization`
 
 This field targets the owner organization of a record. The exact meaning of a record's organization is defined by the "organization strategy" used; see [this documentation page](./organizations.md) for more details.
 
+### Publisher
+
+> Field id: `publisherOrg`
+
+This field targets the organization publishing the record. The exact meaning of a record's organization publisher is defined by the "organization strategy" used; see [this documentation page](./organizations.md) for more details.
+
+### Producer
+
+> Field id: `producerOrg`
+
+This field targets the organization producing the record. The exact meaning of a record's organization producer is defined by the "organization strategy" used; see [this documentation page](./organizations.md) for more details.
+
 ### Format
 
 > Field id: `format`