diff --git a/tastaturworkshop_c3kl_split_TKL_dual_arrows/pinout.md b/tastaturworkshop_c3kl_split_TKL_dual_arrows/pinout.md
index 1399602..614fa43 100644
--- a/tastaturworkshop_c3kl_split_TKL_dual_arrows/pinout.md
+++ b/tastaturworkshop_c3kl_split_TKL_dual_arrows/pinout.md
@@ -9,7 +9,7 @@
 6   B0
 7   B1  F0
 8   B2
-9   B3
+9   B3  B1
 10  B7
 11      
 ```