diff --git a/pureboot/pureboot.cpp b/pureboot/pureboot.cpp
index 5288d08..17c3d26 100644
--- a/pureboot/pureboot.cpp
+++ b/pureboot/pureboot.cpp
@@ -72,13 +72,24 @@ constexpr std::uint8_t version = 4;
 // The 'b' reply, byte for byte (layout: README.md). Flash-resident because
 // no crt copies a .data image — and flash_table's storage carries the word
 // alignment 'b' needs to halve the address on the large chips.
+// One wire byte per line: this is the reply's layout, not a list.
+// clang-format off
 inline constexpr avr::flash_table<std::array<std::uint8_t, 12>{
-    'P', 'B', version, avr::hw::db.signature[0], avr::hw::db.signature[1], avr::hw::db.signature[2],
-    static_cast<std::uint8_t>(page), // 0 means 256
-    wire_base & 0xff, wire_base >> 8, avr::hw::db.mem.eeprom_size & 0xff, avr::hw::db.mem.eeprom_size >> 8,
-    static_cast<std::uint8_t>((boot_section ? 0 : 1) | (word_flash ? 2 : 0)), // patch-vector, word-addressed
+    'P',
+    'B',
+    version,
+    avr::hw::db.signature[0],
+    avr::hw::db.signature[1],
+    avr::hw::db.signature[2],
+    static_cast<std::uint8_t>(page),                                           // 0 means 256
+    wire_base & 0xff,
+    wire_base >> 8,
+    avr::hw::db.mem.eeprom_size & 0xff,
+    avr::hw::db.mem.eeprom_size >> 8,
+    static_cast<std::uint8_t>((boot_section ? 0 : 1) | (word_flash ? 2 : 0)),  // patch-vector, word-addressed
 }>
     info_data;
+// clang-format on
 
 // The serial link, per the build's PUREBOOT_USART / PUREBOOT_SOFT_SERIAL,
 // defaulting to the chip's USART0 where it has one. The software receiver is