--- a/README.md	Fri May 08 14:47:33 2020 -0500
+++ b/README.md	Fri Jan 08 00:26:42 2021 -0500
@@ -12,6 +12,7 @@
   * Calculation of norms, dot products, projections
   * Conditional thread execution macros
   * Template for conveniently writing iterative algorithms using `do`-block anonymous functions as algorithm steps, with visualisation/verbosity implemented generally in iterator.
+  * Abstract linear operators with arbitrary domains and codomains; `LinOp{X,Y}`.
 
   The code is used by [ImageTools][] and both, for example, by <http://dx.doi.org/10.5281/zenodo.3659180>.