diff --git a/src/gdisp/mcufont/mcufont.h b/src/gdisp/mcufont/mcufont.h
index 8a81ff42..7479d2b1 100644
--- a/src/gdisp/mcufont/mcufont.h
+++ b/src/gdisp/mcufont/mcufont.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Tiny library for rendering compressed bitmap fonts on microcontrollers. */
 
 #ifndef _MCUFONT_H_
diff --git a/src/gdisp/mcufont/mf_bwfont.c b/src/gdisp/mcufont/mf_bwfont.c
index 918fbb29..b185b57f 100644
--- a/src/gdisp/mcufont/mf_bwfont.c
+++ b/src/gdisp/mcufont/mf_bwfont.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_bwfont.h"
 #include <stdbool.h>
 
diff --git a/src/gdisp/mcufont/mf_bwfont.h b/src/gdisp/mcufont/mf_bwfont.h
index 9aea2ac9..f0429073 100644
--- a/src/gdisp/mcufont/mf_bwfont.h
+++ b/src/gdisp/mcufont/mf_bwfont.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Uncompressed font format for storing black & white fonts. Very efficient
  * to decode and works well for small font sizes.
  */
diff --git a/src/gdisp/mcufont/mf_config.h b/src/gdisp/mcufont/mf_config.h
index 7e58c8f6..f9210123 100644
--- a/src/gdisp/mcufont/mf_config.h
+++ b/src/gdisp/mcufont/mf_config.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Configuration constants for mcufont. */
 
 #ifndef _MF_CONFIG_H_
diff --git a/src/gdisp/mcufont/mf_encoding.c b/src/gdisp/mcufont/mf_encoding.c
index 4e3975ae..f736651b 100644
--- a/src/gdisp/mcufont/mf_encoding.c
+++ b/src/gdisp/mcufont/mf_encoding.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_encoding.h"
 
 #if MF_ENCODING == MF_ENCODING_UTF8
diff --git a/src/gdisp/mcufont/mf_encoding.h b/src/gdisp/mcufont/mf_encoding.h
index e96718b7..d2673d16 100644
--- a/src/gdisp/mcufont/mf_encoding.h
+++ b/src/gdisp/mcufont/mf_encoding.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Simple UTF-8 decoder. Also implements the much simpler ASCII and UTF16
  * input encodings.
  */
diff --git a/src/gdisp/mcufont/mf_font.c b/src/gdisp/mcufont/mf_font.c
index 698a3d8e..60350d99 100644
--- a/src/gdisp/mcufont/mf_font.c
+++ b/src/gdisp/mcufont/mf_font.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_font.h"
 #include <stdbool.h>
 
diff --git a/src/gdisp/mcufont/mf_font.h b/src/gdisp/mcufont/mf_font.h
index 591ebab6..0e5612ce 100644
--- a/src/gdisp/mcufont/mf_font.h
+++ b/src/gdisp/mcufont/mf_font.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Generic font type that supports fonts with multiple kinds of compression.
  * Provides an interface for decoding and rendering single characters.
  */
diff --git a/src/gdisp/mcufont/mf_justify.c b/src/gdisp/mcufont/mf_justify.c
index 1938bb6a..072eef0c 100644
--- a/src/gdisp/mcufont/mf_justify.c
+++ b/src/gdisp/mcufont/mf_justify.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_justify.h"
 #include "mf_kerning.h"
 
diff --git a/src/gdisp/mcufont/mf_justify.h b/src/gdisp/mcufont/mf_justify.h
index c3e8ba75..5620cffd 100644
--- a/src/gdisp/mcufont/mf_justify.h
+++ b/src/gdisp/mcufont/mf_justify.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Text alignment and justification algorithm. Supports left, right, center
  * alignment and justify. Supports tab stops and kerning.
  */
diff --git a/src/gdisp/mcufont/mf_kerning.c b/src/gdisp/mcufont/mf_kerning.c
index bd5afc1a..0163fbd9 100644
--- a/src/gdisp/mcufont/mf_kerning.c
+++ b/src/gdisp/mcufont/mf_kerning.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_kerning.h"
 #include <stdbool.h>
 
diff --git a/src/gdisp/mcufont/mf_kerning.h b/src/gdisp/mcufont/mf_kerning.h
index ed885162..1014c8dd 100644
--- a/src/gdisp/mcufont/mf_kerning.h
+++ b/src/gdisp/mcufont/mf_kerning.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Automatic kerning for font rendering. This solves the issue where some
  * fonts (especially serif fonts) have too much space between specific
  * character pairs, like WA or L'.
diff --git a/src/gdisp/mcufont/mf_rlefont.c b/src/gdisp/mcufont/mf_rlefont.c
index 8afaa9c2..ec0025dd 100644
--- a/src/gdisp/mcufont/mf_rlefont.c
+++ b/src/gdisp/mcufont/mf_rlefont.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_rlefont.h"
 
 /* Number of reserved codes before the dictionary entries. */
diff --git a/src/gdisp/mcufont/mf_rlefont.h b/src/gdisp/mcufont/mf_rlefont.h
index d8275d5c..d9cee8dc 100644
--- a/src/gdisp/mcufont/mf_rlefont.h
+++ b/src/gdisp/mcufont/mf_rlefont.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* A compressed font format based on run length encoding and dictionary
  * compression.
  */
diff --git a/src/gdisp/mcufont/mf_scaledfont.c b/src/gdisp/mcufont/mf_scaledfont.c
index da2b31fe..c98247f1 100644
--- a/src/gdisp/mcufont/mf_scaledfont.c
+++ b/src/gdisp/mcufont/mf_scaledfont.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_scaledfont.h"
 
 struct scaled_renderstate
diff --git a/src/gdisp/mcufont/mf_scaledfont.h b/src/gdisp/mcufont/mf_scaledfont.h
index f6607010..f378ca67 100644
--- a/src/gdisp/mcufont/mf_scaledfont.h
+++ b/src/gdisp/mcufont/mf_scaledfont.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Generate scaled (nearest-neighbor) fonts. This can be used for displaying
  * larger text without spending the memory required for including larger fonts.
  */
diff --git a/src/gdisp/mcufont/mf_wordwrap.c b/src/gdisp/mcufont/mf_wordwrap.c
index cc735a4e..4650c24a 100644
--- a/src/gdisp/mcufont/mf_wordwrap.c
+++ b/src/gdisp/mcufont/mf_wordwrap.c
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 #include "mf_wordwrap.h"
 
 /* Returns true if the line can be broken at this character. */
diff --git a/src/gdisp/mcufont/mf_wordwrap.h b/src/gdisp/mcufont/mf_wordwrap.h
index bf3dbcb7..40983b4a 100644
--- a/src/gdisp/mcufont/mf_wordwrap.h
+++ b/src/gdisp/mcufont/mf_wordwrap.h
@@ -1,3 +1,10 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
 /* Word wrapping algorithm with UTF-8 support. More than just a basic greedy
  * word-wrapper: it attempts to balance consecutive lines as pairs.
  */