diff --git a/alpha/Update_English.txt b/alpha/Update_English.txt
index 415e3eb..6999b54 100644
--- a/alpha/Update_English.txt
+++ b/alpha/Update_English.txt
@@ -1,5 +1,7 @@
 Release note of v1.3.3 tree
 
+ par2j's "lc" option was changed to support more threads.
+
 [ Changes from 1.3.3.0 to 1.3.3.1 ] (2023/11/11)
 
 Installer update