diff --git a/src/boards/include/boards/pimoroni_keybow2040.h b/src/boards/include/boards/pimoroni_keybow2040.h
index 46c5134..eeab409 100644
--- a/src/boards/include/boards/pimoroni_keybow2040.h
+++ b/src/boards/include/boards/pimoroni_keybow2040.h
@@ -107,7 +107,7 @@
 #define KEYBOW2040_SW15_PIN 6
 #endif
 
-#ifndef KEYBOW2040_NUM_SWITCHES
+#ifndef KEYBOW2040_NUM_SWITCHES_PINS
 #define KEYBOW2040_NUM_SWITCHES_PINS 16
 #endif
 
diff --git a/src/boards/include/boards/vgaboard.h b/src/boards/include/boards/vgaboard.h
index b03eaa7..d9cb7ac 100644
--- a/src/boards/include/boards/vgaboard.h
+++ b/src/boards/include/boards/vgaboard.h
@@ -26,8 +26,8 @@
 #define VGABOARD_VGA_COLOR_PIN_BASE 0
 #define VGABOARD_VGA_SYNC_PIN_BASE 16
 
-// Note DAT2/3 are shared with UART TX/RX (pull jumpers off header to access
-// UART pins and disconnect SD DAT2/3)
+// Note DAT1/2 are shared with UART TX/RX (pull jumpers off header to access
+// UART pins and disconnect SD DAT1/2)
 #define VGABOARD_SD_CLK_PIN 5
 #define VGABOARD_SD_CMD_PIN 18
 #define VGABOARD_SD_DAT0_PIN 19
@@ -57,10 +57,12 @@
 #define PICO_SD_CMD_PIN VGABOARD_SD_CMD_PIN
 #define PICO_SD_DAT0_PIN VGABOARD_SD_DAT0_PIN
 
+// 1 or 4
 #ifndef PICO_SD_DAT_PIN_COUNT
 #define PICO_SD_DAT_PIN_COUNT 4
 #endif
 
+// 1 or -1
 #define PICO_SD_DAT_PIN_INCREMENT 1
 
 #define PICO_AUDIO_I2S_DATA_PIN VGABOARD_I2S_DIN_PIN