diff --git a/rp2040/src/main.rs b/rp2040/src/main.rs
index dbe7a07..ca24622 100644
--- a/rp2040/src/main.rs
+++ b/rp2040/src/main.rs
@@ -31,13 +31,12 @@
 // |           | H1L | B18 | H1R | | H2L | B19 | H2R |           |
 // |                 | H1D |             | H2D |                 |
 // ---------------------------------------------------------------
-// Button (Switch) 7 changes following:
+// Button (Switch) 0 changes following:
+// * B1 => B21
+// * B3 => B22
+// * B10 => B23
+// * B11 => B24
 // * hat1 => hat3 (button press B20).
-// Button (switch) 12 changes following:
-// * B4 => B21
-// * B5 => B22
-// * B14 => B23
-// * B15 => B24
 // * hat2 => hat4 (button bpress B25)
 //
 // ELRS channel map (+ = ON, - = OFF, CHxP/M/Z = trim)