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-rw-r--r--src/esp32p4/uart.zig2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/esp32p4/uart.zig b/src/esp32p4/uart.zig
index 15599423..5690520c 100644
--- a/src/esp32p4/uart.zig
+++ b/src/esp32p4/uart.zig
@@ -100,7 +100,7 @@ pub fn writeSome(bytes: []const u8) usize {
/// running on. Nothing is touched when it is not.
///
/// THE ONE EXCEPTION to this file's rule, and see the header for who may call it: not this file, not
-/// `app.zig`, only an image whose host side is opened at the same rate. `docs/registry.typ`
+/// `app.zig`, only an image whose host side is opened at the same rate. `docs/registry.pdf`
/// `BOARD-1` has the numbers — 921600 is one `UART_CLKDIV_SYNC` write on the existing 40 MHz XTAL,
/// int 43 frag 6, +0.064% error, and it takes a byte from 86.8 µs to 10.85 µs.
///