diff --git a/keyboards/handwired/onekey/proton_c/readme.md b/keyboards/handwired/onekey/proton_c/readme.md
index 0feedbbd4..be5a2871c 100644
--- a/keyboards/handwired/onekey/proton_c/readme.md
+++ b/keyboards/handwired/onekey/proton_c/readme.md
@@ -1,3 +1,3 @@
 # Proton C onekey
 
-To trigger keypress, short together pins *A3* and *A2*.
+To trigger keypress, short together pins *A1* and *A2*.