diff --git a/doc/7-systems/k056320.md b/doc/7-systems/k056320.md
index 9e2e162f..ad3fb4a9 100644
--- a/doc/7-systems/k056320.md
+++ b/doc/7-systems/k056320.md
@@ -10,4 +10,4 @@ the 056320 is a sample-based chip that featured in a number of Konami arcade gam
 
 # info
 
-this chip uses the [K056320](../4-instrument/k056320.md) instrument editor.
+this chip uses the [C140](../4-instrument/c140.md) instrument editor.