diff --git a/src/formats/tartu.textpb b/src/formats/tartu.textpb
index 2b7a04b8..2164bcdb 100644
--- a/src/formats/tartu.textpb
+++ b/src/formats/tartu.textpb
@@ -1,6 +1,7 @@
 shortname: 'Tartu'
 comment: 'The Palivere and variations'
 read_support_status: UNICORN
+write_support_status: DINOSAUR
 
 documentation:
 <<<
@@ -23,7 +24,7 @@ density, using MFM and with up to 780kB on a double-sided 80 track disk.
 <img src="tartu-fdc.jpg" alt="The Tartu FDC with Soviet TTL logic chips."/>
 </div>
 
-FluxEngine supports reading Tartu disks with CP/M filesystem access.
+FluxEngine supports reading and writing Tartu disks with CP/M filesystem access.
 >>>
 
 documentation: