--- a/README.md	Thu Feb 04 13:58:19 2021 -0500
+++ b/README.md	Thu Feb 04 13:58:31 2021 -0500
@@ -11,6 +11,7 @@
   * Calculation of discrete image gradients (2D, 3D 3D vector fields)
   * A very simple image filtering code that seems more efficient than the `ImageFiltering`
   package.
+  * Tools to _apply_ colour maps to raw image data, that surprisingly seem to be missing from the standard libraries.
   
 The code is used, for example, by <http://dx.doi.org/10.5281/zenodo.3659180>.