diff --git a/papers/doc/7-systems/README.md b/papers/doc/7-systems/README.md
index 5413b0b50..757a41f5c 100644
--- a/papers/doc/7-systems/README.md
+++ b/papers/doc/7-systems/README.md
@@ -18,7 +18,7 @@ this is a list of systems that Furnace supports, including each system's effects
 - [Atari 2600](tia.md)
 - [Philips SAA1099](saa1099.md)
 - [Microchip AY8930](ay8930.md)
-- [Seta/Allumer X1-010](x1_010.md)
+- [Seta/Allumer X1-010](x1-010.md)
 - [WonderSwan](wonderswan.md)
 - [Bubble System WSG](bubblesystem.md)
 
diff --git a/papers/doc/7-systems/x1_010.md b/papers/doc/7-systems/x1-010.md
similarity index 100%
rename from papers/doc/7-systems/x1_010.md
rename to papers/doc/7-systems/x1-010.md