diff --git a/doc/7-systems/ay8930.md b/doc/7-systems/ay8930.md
index ce94aa2b1..c865b7f7a 100644
--- a/doc/7-systems/ay8930.md
+++ b/doc/7-systems/ay8930.md
@@ -3,7 +3,7 @@
 a backwards-compatible successor to the AY-3-8910, with increased volume resolution, duty cycle control, three envelopes and highly configurable noise generator.
 
 sadly, this soundchip has only ever observed minimal success, and has remained rather obscure since.
-it is best known for being used in the Covox Sound Master, which didn't sell well either. it also observed very minimal success in Merit's CRT-250 machines, but only as a replacement for the AY-3-8910.
+it is known for being used in the Covox Sound Master, which didn't sell well either.
 
 emulation of this chip in Furnace is now complete thanks to community efforts and hardware testing, which an MSX board called Darky has permitted.