diff --git a/debian/copyright_hints b/debian/copyright_hints
index 7bb29f2..9e0b893 100644
--- a/debian/copyright_hints
+++ b/debian/copyright_hints
@@ -74,6 +74,7 @@
  src/filter/gateweave/gateweave.c
  src/filter/glitch0r/CMakeLists.txt
  src/filter/glow/CMakeLists.txt
+ src/filter/heatmap0r/CMakeLists.txt
  src/filter/host_param_test/CMakeLists.txt
  src/filter/hueshift0r/CMakeLists.txt
  src/filter/hueshift0r/matrix.h
@@ -330,7 +331,6 @@
  src/filter/cairoimagegrid/cairoimagegrid.c
  src/filter/colortap/colortap.c
  src/filter/rgbnoise/rgbnoise.c
- src/filter/sigmoidaltransfer/sigmoidaltransfer.c
  src/filter/softglow/softglow.c
  src/filter/spillsupress/spillsupress.c
  src/mixer2/cairoaffineblend/cairoaffineblend.c
@@ -368,13 +368,6 @@
 License: UNKNOWN
  FIXME
 
-Files: src/filter/levels/levels.c
- src/filter/three_point_balance/three_point_balance.c
- src/filter/tint0r/tint0r.c
-Copyright: 2009, Maksim Golovkin (m4ks1k@gmail.com)
-License: GPL-2+
- FIXME
-
 Files: include/frei0r/blur.h
  src/filter/squareblur/squareblur.c
 Copyright: 2004
@@ -384,6 +377,12 @@
 Files: src/filter/glitch0r/glitch0r.c
  src/filter/rgbsplit0r/rgbsplit0r.c
 Copyright: 2016, IDENT Software ~ http://identsoft.org
+License: GPL-2+
+ FIXME
+
+Files: src/filter/levels/levels.c
+ src/filter/three_point_balance/three_point_balance.c
+Copyright: 2009, Maksim Golovkin (m4ks1k@gmail.com)
 License: GPL-2+
  FIXME
 
@@ -436,6 +435,11 @@
 License: GPL-2+
  FIXME
 
+Files: src/filter/heatmap0r/heatmap0r.c
+Copyright: 2025, Cynthia (cynthia2048@proton.me)
+License: GPL-2+
+ FIXME
+
 Files: src/filter/premultiply/premultiply.cpp
 Copyright: 2018, Dan Dennedy <dan@dennedy.org>
 License: GPL-2+
@@ -460,6 +464,11 @@
 License: GPL-2+
  FIXME
 
+Files: src/filter/sigmoidaltransfer/sigmoidaltransfer.c
+Copyright: 2012, Janne Liljeblad, 2025 Cynthia
+License: GPL-2+
+ FIXME
+
 Files: src/filter/gamma/gamma.c
 Copyright: 2004, Jean-Sebastien Senecal
 License: GPL-2+
@@ -479,6 +488,11 @@
 Files: src/filter/curves/curves.c
 Copyright: 2009, Maksim Golovkin (m4ks1k@gmail.com)
   2010, Till Theato (root@ttill.de)
+License: GPL-2+
+ FIXME
+
+Files: src/filter/tint0r/tint0r.c
+Copyright: 2009, Maksim Golovkin (m4ks1k@gmail.com),
 License: GPL-2+
  FIXME