diff --git a/papers/doc/4-instrument/ay8910.md b/papers/doc/4-instrument/ay8910.md
index 0a9821a2..732d4e5e 100644
--- a/papers/doc/4-instrument/ay8910.md
+++ b/papers/doc/4-instrument/ay8910.md
@@ -1,10 +1,10 @@
-# AY8910 instrument editor
+# AY-3-8910 instrument editor
 
-AY8910 instrument editor consists of 7 macros.
+AY-3-8910 instrument editor consists of 7 macros.
 
 - [Volume] - volume levels sequence
 - [Arpeggio]- pitch sequence
-- [Noise frequency] - AY8930 noise generator frequency sequence
+- [Noise frequency] - AY-3-8910 noise generator frequency sequence
 - [Waveform] - selector of sound type - square wave tone, noise or envelope generator
 - [Envelope] - allows shaping an envelope
 - [Auto envelope numerator] - sets the envelope to the channel's frequency multiplied by numerator