diff --git a/xy2-100-E/pd.py b/xy2-100-E/pd.py
index c6db908..9aca18f 100644
--- a/xy2-100-E/pd.py
+++ b/xy2-100-E/pd.py
@@ -28,7 +28,7 @@ class Decoder(srd.Decoder):
     id = 'xy2-100-E'
     name = 'XY2-100-E'
     longname = 'XY2-100-E(E) and XY-200(E) galvanometer protocol'
-    desc = 'Serial protocol for galvanometer positioning in laser systems'
+    desc = 'Serial protocol for galvanometer positioning in laser systems by chenyue'
     license = 'gplv2+'
     inputs = ['logic']
     outputs = []