diff --git a/opendps/font-full_small.c b/opendps/font-full_small.c
index 9d87abbd..0858927d 100644
--- a/opendps/font-full_small.c
+++ b/opendps/font-full_small.c
@@ -1,4 +1,4 @@
-/** Font generated from gfx/ProggyClean.ttf 16pt */
+/** Font generated from `./gen_lookup.py -f gfx/ProggyClean.ttf -s 16 -o full_small -a` */
 
 #include "font-full_small.h"
 
diff --git a/opendps/font-full_small.h b/opendps/font-full_small.h
index 0fe44faa..1a1a36a1 100644
--- a/opendps/font-full_small.h
+++ b/opendps/font-full_small.h
@@ -1,4 +1,4 @@
-/** Font generated from gfx/ProggyClean.ttf 16pt */
+/** Font generated from `./gen_lookup.py -f gfx/ProggyClean.ttf -s 16 -o full_small -a` */
 
 #ifndef __FONT_FULL_SMALL_H__
 #define __FONT_FULL_SMALL_H__
diff --git a/opendps/font-meter_large.c b/opendps/font-meter_large.c
index 61f6ae8b..6d18533d 100644
--- a/opendps/font-meter_large.c
+++ b/opendps/font-meter_large.c
@@ -1,4 +1,4 @@
-/** Font generated from gfx/Ubuntu-C.ttf 48pt */
+/** Font generated from `./gen_lookup.py -f gfx/Ubuntu-C.ttf -s 48 -o meter_large` */
 
 #include "font-meter_large.h"
 
diff --git a/opendps/font-meter_large.h b/opendps/font-meter_large.h
index 5e748fcc..5a145c45 100644
--- a/opendps/font-meter_large.h
+++ b/opendps/font-meter_large.h
@@ -1,4 +1,4 @@
-/** Font generated from gfx/Ubuntu-C.ttf 48pt */
+/** Font generated from `./gen_lookup.py -f gfx/Ubuntu-C.ttf -s 48 -o meter_large` */
 
 #ifndef __FONT_METER_LARGE_H__
 #define __FONT_METER_LARGE_H__
diff --git a/opendps/font-meter_medium.c b/opendps/font-meter_medium.c
index 73cea4c9..4b53740e 100644
--- a/opendps/font-meter_medium.c
+++ b/opendps/font-meter_medium.c
@@ -1,4 +1,4 @@
-/** Font generated from gfx/Ubuntu-C.ttf 24pt */
+/** Font generated from `./gen_lookup.py -f gfx/Ubuntu-C.ttf -s 24 -o meter_medium` */
 
 #include "font-meter_medium.h"
 
diff --git a/opendps/font-meter_medium.h b/opendps/font-meter_medium.h
index 6597f3a4..896fd21c 100644
--- a/opendps/font-meter_medium.h
+++ b/opendps/font-meter_medium.h
@@ -1,4 +1,4 @@
-/** Font generated from gfx/Ubuntu-C.ttf 24pt */
+/** Font generated from `./gen_lookup.py -f gfx/Ubuntu-C.ttf -s 24 -o meter_medium` */
 
 #ifndef __FONT_METER_MEDIUM_H__
 #define __FONT_METER_MEDIUM_H__
diff --git a/opendps/font-meter_small.c b/opendps/font-meter_small.c
index 8d62f2bb..abfd791e 100644
--- a/opendps/font-meter_small.c
+++ b/opendps/font-meter_small.c
@@ -1,4 +1,4 @@
-/** Font generated from gfx/Ubuntu-C.ttf 18pt */
+/** Font generated from `./gen_lookup.py -f gfx/Ubuntu-C.ttf -s 18 -o meter_small` */
 
 #include "font-meter_small.h"
 
diff --git a/opendps/font-meter_small.h b/opendps/font-meter_small.h
index cf66829d..cbe6a11f 100644
--- a/opendps/font-meter_small.h
+++ b/opendps/font-meter_small.h
@@ -1,4 +1,4 @@
-/** Font generated from gfx/Ubuntu-C.ttf 18pt */
+/** Font generated from `./gen_lookup.py -f gfx/Ubuntu-C.ttf -s 18 -o meter_small` */
 
 #ifndef __FONT_METER_SMALL_H__
 #define __FONT_METER_SMALL_H__
diff --git a/opendps/gen_lookup.py b/opendps/gen_lookup.py
index 28f1fff6..48fcaccd 100644
--- a/opendps/gen_lookup.py
+++ b/opendps/gen_lookup.py
@@ -180,7 +180,7 @@ def convert_font_to_c(font_fname, characters, font_size, font_spacing, output_fi
     # Generate the C source file
     font_source_file = open(font_source_filename, "w")
 
-    font_source_file.write("/** Font generated from %s %dpt */\n\n" % (font_fname, font_size))
+    font_source_file.write("/** Font generated from `%s` */\n\n" % (" ".join(sys.argv)))
     font_source_file.write("#include \"%s\"\n\n" % (font_header_filename))
     font_source_file.write("const uint32_t font_%s_height = %d;\n" % (output_filename, character_heights))
 
@@ -260,7 +260,7 @@ def convert_font_to_c(font_fname, characters, font_size, font_spacing, output_fi
     # Generate the C header file
     font_header_file = open(font_header_filename, "w")
 
-    font_header_file.write("/** Font generated from %s %dpt */\n\n" % (font_fname, font_size))
+    font_header_file.write("/** Font generated from `%s` */\n\n" % (" ".join(sys.argv)))
 
     font_header_file.write("#ifndef __FONT_%s_H__\n" % (output_filename.upper()))
     font_header_file.write("#define __FONT_%s_H__\n\n" % (output_filename.upper()))
@@ -311,7 +311,7 @@ def convert_graphic_to_c(graphic_fname, output_filename):
     # Generate the C source file
     gfx_source_file = open(gfx_source_filename, "w")
 
-    gfx_source_file.write("/** Gfx generated from %s */\n\n" % (graphic_fname))
+    gfx_source_file.write("/** Gfx generated from `%s` */\n\n" % (" ".join(sys.argv)))
 
     gfx_source_file.write("#include \"%s\"\n\n" % (gfx_header_filename))
 
@@ -332,7 +332,7 @@ def convert_graphic_to_c(graphic_fname, output_filename):
     # Generate the C header file
     gfx_header_file = open(gfx_header_filename, "w")
 
-    gfx_header_file.write("/** Gfx generated from %s */\n\n" % (graphic_fname))
+    gfx_header_file.write("/** Gfx generated from `%s` */\n\n" % (" ".join(sys.argv)))
 
     gfx_header_file.write("#ifndef __GFX_%s_H__\n" % (output_filename.upper()))
     gfx_header_file.write("#define __GFX_%s_H__\n\n" % (output_filename.upper()))
diff --git a/opendps/gfx-cc.c b/opendps/gfx-cc.c
index c0c4537a..131ca86d 100644
--- a/opendps/gfx-cc.c
+++ b/opendps/gfx-cc.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\cc.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/cc.png -o cc` */
 
 #include "gfx-cc.h"
 
diff --git a/opendps/gfx-cc.h b/opendps/gfx-cc.h
index e4791bb1..7c21838f 100644
--- a/opendps/gfx-cc.h
+++ b/opendps/gfx-cc.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\cc.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/cc.png -o cc` */
 
 #ifndef __GFX_CC_H__
 #define __GFX_CC_H__
diff --git a/opendps/gfx-cl.c b/opendps/gfx-cl.c
index 64665f87..f9b91f9b 100644
--- a/opendps/gfx-cl.c
+++ b/opendps/gfx-cl.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/cl.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/cl.png -o cl` */
 
 #include "gfx-cl.h"
 
diff --git a/opendps/gfx-cl.h b/opendps/gfx-cl.h
index 5ba324da..21978d8e 100644
--- a/opendps/gfx-cl.h
+++ b/opendps/gfx-cl.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\cl.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/cl.png -o cl` */
 
 #ifndef __GFX_CL_H__
 #define __GFX_CL_H__
diff --git a/opendps/gfx-crosshair.c b/opendps/gfx-crosshair.c
index 0c608393..74a31469 100644
--- a/opendps/gfx-crosshair.c
+++ b/opendps/gfx-crosshair.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\crosshair.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/crosshair.png -o crosshair` */
 
 #include "gfx-crosshair.h"
 
diff --git a/opendps/gfx-crosshair.h b/opendps/gfx-crosshair.h
index e3d03e75..57ef7374 100644
--- a/opendps/gfx-crosshair.h
+++ b/opendps/gfx-crosshair.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\crosshair.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/crosshair.png -o crosshair` */
 
 #ifndef __GFX_CROSSHAIR_H__
 #define __GFX_CROSSHAIR_H__
diff --git a/opendps/gfx-cv.c b/opendps/gfx-cv.c
index 168f7276..e91cfc8d 100644
--- a/opendps/gfx-cv.c
+++ b/opendps/gfx-cv.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\cv.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/cv.png -o cv` */
 
 #include "gfx-cv.h"
 
diff --git a/opendps/gfx-cv.h b/opendps/gfx-cv.h
index cba84db8..1eb18da6 100644
--- a/opendps/gfx-cv.h
+++ b/opendps/gfx-cv.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\cv.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/cv.png -o cv` */
 
 #ifndef __GFX_CV_H__
 #define __GFX_CV_H__
diff --git a/opendps/gfx-padlock.c b/opendps/gfx-padlock.c
index a839a770..cba5b374 100644
--- a/opendps/gfx-padlock.c
+++ b/opendps/gfx-padlock.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\padlock.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/padlock.png -o padlock` */
 
 #include "gfx-padlock.h"
 
diff --git a/opendps/gfx-padlock.h b/opendps/gfx-padlock.h
index f06bac69..d28c54a7 100644
--- a/opendps/gfx-padlock.h
+++ b/opendps/gfx-padlock.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\padlock.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/padlock.png -o padlock` */
 
 #ifndef __GFX_PADLOCK_H__
 #define __GFX_PADLOCK_H__
diff --git a/opendps/gfx-power.c b/opendps/gfx-power.c
index 8c664e34..a694f13d 100644
--- a/opendps/gfx-power.c
+++ b/opendps/gfx-power.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\power.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/power.png -o power` */
 
 #include "gfx-power.h"
 
diff --git a/opendps/gfx-power.h b/opendps/gfx-power.h
index 242f6ed2..940e4bbf 100644
--- a/opendps/gfx-power.h
+++ b/opendps/gfx-power.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\power.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/power.png -o power` */
 
 #ifndef __GFX_POWER_H__
 #define __GFX_POWER_H__
diff --git a/opendps/gfx-poweroff.c b/opendps/gfx-poweroff.c
index c9bfb756..f86eabce 100644
--- a/opendps/gfx-poweroff.c
+++ b/opendps/gfx-poweroff.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/poweroff.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/poweroff.png -o poweroff` */
 
 #include "gfx-poweroff.h"
 
diff --git a/opendps/gfx-poweroff.h b/opendps/gfx-poweroff.h
index 1cf09c91..d922c0f2 100644
--- a/opendps/gfx-poweroff.h
+++ b/opendps/gfx-poweroff.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/poweroff.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/poweroff.png -o poweroff` */
 
 #ifndef __GFX_POWEROFF_H__
 #define __GFX_POWEROFF_H__
diff --git a/opendps/gfx-poweron.c b/opendps/gfx-poweron.c
index 978c1cda..8a873c64 100644
--- a/opendps/gfx-poweron.c
+++ b/opendps/gfx-poweron.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/poweron.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/poweron.png -o poweron` */
 
 #include "gfx-poweron.h"
 
diff --git a/opendps/gfx-poweron.h b/opendps/gfx-poweron.h
index 8ea2e5cd..22782a34 100644
--- a/opendps/gfx-poweron.h
+++ b/opendps/gfx-poweron.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/poweron.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/poweron.png -o poweron` */
 
 #ifndef __GFX_POWERON_H__
 #define __GFX_POWERON_H__
diff --git a/opendps/gfx-saw.c b/opendps/gfx-saw.c
index 8d441110..a08bf1f1 100644
--- a/opendps/gfx-saw.c
+++ b/opendps/gfx-saw.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/saw.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/saw.png -o saw` */
 
 #include "gfx-saw.h"
 
diff --git a/opendps/gfx-saw.h b/opendps/gfx-saw.h
index fb323f8c..8245cc26 100644
--- a/opendps/gfx-saw.h
+++ b/opendps/gfx-saw.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/saw.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/saw.png -o saw` */
 
 #ifndef __GFX_SAW_H__
 #define __GFX_SAW_H__
diff --git a/opendps/gfx-sin.c b/opendps/gfx-sin.c
index adc182cb..b620cbc0 100644
--- a/opendps/gfx-sin.c
+++ b/opendps/gfx-sin.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/sin.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/sin.png -o sin` */
 
 #include "gfx-sin.h"
 
diff --git a/opendps/gfx-sin.h b/opendps/gfx-sin.h
index 56ab4392..32ed06bd 100644
--- a/opendps/gfx-sin.h
+++ b/opendps/gfx-sin.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/sin.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/sin.png -o sin` */
 
 #ifndef __GFX_SIN_H__
 #define __GFX_SIN_H__
diff --git a/opendps/gfx-square.c b/opendps/gfx-square.c
index 55370d02..1beee32e 100644
--- a/opendps/gfx-square.c
+++ b/opendps/gfx-square.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/square.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/square.png -o square` */
 
 #include "gfx-square.h"
 
diff --git a/opendps/gfx-square.h b/opendps/gfx-square.h
index 39260c4d..516b7b8e 100644
--- a/opendps/gfx-square.h
+++ b/opendps/gfx-square.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/square.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/square.png -o square` */
 
 #ifndef __GFX_SQUARE_H__
 #define __GFX_SQUARE_H__
diff --git a/opendps/gfx-thermometer.c b/opendps/gfx-thermometer.c
index c6d17d41..5a0d67d0 100644
--- a/opendps/gfx-thermometer.c
+++ b/opendps/gfx-thermometer.c
@@ -1,4 +1,4 @@
-/** Gfx generated from `python ./gen_lookup.py -i gfx/png/thermometer.png -o thermometer */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/thermometer.png -o thermometer` */
 
 #include "gfx-thermometer.h"
 
diff --git a/opendps/gfx-thermometer.h b/opendps/gfx-thermometer.h
index 1420ffea..4ed02931 100644
--- a/opendps/gfx-thermometer.h
+++ b/opendps/gfx-thermometer.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx/png/thermometer.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/thermometer.png -o thermometer` */
 
 #ifndef __GFX_THERMOMETER_H__
 #define __GFX_THERMOMETER_H__
diff --git a/opendps/gfx-wifi.c b/opendps/gfx-wifi.c
index 2854bd06..25e14d24 100644
--- a/opendps/gfx-wifi.c
+++ b/opendps/gfx-wifi.c
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\wifi.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/wifi.png -o wifi` */
 
 #include "gfx-wifi.h"
 
diff --git a/opendps/gfx-wifi.h b/opendps/gfx-wifi.h
index 9ddb559a..b9df24ce 100644
--- a/opendps/gfx-wifi.h
+++ b/opendps/gfx-wifi.h
@@ -1,4 +1,4 @@
-/** Gfx generated from gfx\png\wifi.png */
+/** Gfx generated from `./gen_lookup.py -i gfx/png/wifi.png -o wifi` */
 
 #ifndef __GFX_WIFI_H__
 #define __GFX_WIFI_H__