diff --git a/fab.lib b/fab.lib
index 6aad5624bd7c30d7cf5171ecc539164cd0a56337..a813a42d98a4cac3ef43cb7ce7f51f330fec899c 100644
--- a/fab.lib
+++ b/fab.lib
@@ -2292,8 +2292,8 @@ X PA6 4 600 -200 100 L 50 50 1 1 B
 X PA7 5 600 -300 100 L 50 50 1 1 B
 X PB5 6 -600 0 100 R 50 50 1 1 B
 X PB4 7 -600 100 100 R 50 50 1 1 B
-X PB3 8 -600 200 100 R 50 50 1 1 B
-X PB2 9 -600 300 100 R 50 50 1 1 B
+X PB3/RXD 8 -600 200 100 R 50 50 1 1 B
+X PB2/TXD 9 -600 300 100 R 50 50 1 1 B
 ENDDRAW
 ENDDEF
 #