In commit 297aad6ebd85 pins for handwired/onekey/teensy_2pp were changed from B2/B1 to F4/F5; update readme.md to match that change.
@@ -1,3 +1,3 @@
# Teensy++ 2.0 onekey
-To trigger keypress, short together pins *B2* and *B1*
+To trigger keypress, short together pins *F4* and *F5*
Sergey Vlasov