diff --git a/hardware/CJ125_board/known_issues.txt b/hardware/CJ125_board/known_issues.txt
index f763fcef42..b79e7bd266 100644
--- a/hardware/CJ125_board/known_issues.txt
+++ b/hardware/CJ125_board/known_issues.txt
@@ -1,3 +1,5 @@
  1) RESOLVED IN R0.2  SOIC24 wrong size
  2) RESOLVED IN R0.2  Q1 MOSFET is not connected properly. 
  3)                   DIAHD silkscreen on pad #6 should be DIAHG   
+ 4)                   add a note describing UR (R8) and UA (R15)  low pass filter / slew rate limiter
+ 5)                   add a note explaining different C2 and C9 values