diff --git a/examples/1bit_double_buffer/1bit_double_buffer.ino b/examples/1bit_double_buffer/1bit_double_buffer.ino
index 4a9bea7..43857b7 100644
--- a/examples/1bit_double_buffer/1bit_double_buffer.ino
+++ b/examples/1bit_double_buffer/1bit_double_buffer.ino
@@ -1,7 +1,11 @@
-// 1-bit Adafruit_GFX-compatible framebuffer for PicoDVI.
+// Double-buffered 1-bit Adafruit_GFX-compatible framebuffer for PicoDVI.
+// Allows animation without redraw flicker. Requires Adafruit_GFX >= 1.11.5
 
 #include <PicoDVI.h>
 
+// Double-buffered 1-bit and 8-bit are declared a little differently...
+// 1-bit accepts a boolean after the the canvas dimensions to enable/disable
+// double-buffering, whereas 8-bit double-buffered uses a distinct class.
 //DVIGFX1 display(640, 480, true, dvi_timing_640x480p_60hz, VREG_VOLTAGE_1_30, pimoroni_demo_hdmi_cfg);
 DVIGFX1 display(800, 480, true, dvi_timing_800x480p_60hz, VREG_VOLTAGE_1_30, pimoroni_demo_hdmi_cfg);
 
diff --git a/examples/8bit_double_buffer/8bit_double_buffer.ino b/examples/8bit_double_buffer/8bit_double_buffer.ino
index 2235489..4bd8263 100644
--- a/examples/8bit_double_buffer/8bit_double_buffer.ino
+++ b/examples/8bit_double_buffer/8bit_double_buffer.ino
@@ -1,8 +1,12 @@
 // Double-buffered 8-bit Adafruit_GFX-compatible framebuffer for PicoDVI.
-// Allows animation without redraw flicker. Requires Adafruit_GFX 1.11.4
+// Allows animation without redraw flicker. Requires Adafruit_GFX >= 1.11.4
 
 #include <PicoDVI.h>
 
+// Double-buffered 8-bit and 1-bit are declared a little differently...
+// 8-bit requires a distinct class for double-buffering, as its memory
+// requirements are unique, while 1-bit has an extra constructor
+// argument to enable or disable this.
 //DVIGFX8x2 display(320, 240, dvi_timing_640x480p_60hz, VREG_VOLTAGE_1_20, pimoroni_demo_hdmi_cfg);
 DVIGFX8x2 display(400, 240, dvi_timing_800x480p_60hz, VREG_VOLTAGE_1_30, pimoroni_demo_hdmi_cfg);