Finalize README.md

Author: FabioLuporini

compiler-manuscript/README.md

@@ -8,15 +8,15 @@
 You will need:
 
 * [Devito v3.1](https://github.com/opesci/devito/releases/tag/v3.1.0) to
-  reproduce the experiments in the manuscript.
+  reproduce the experiments with the CORE backend.
+* [YASK 7f0334d](https://github.com/opesci/yask) to run the experiments with
+  the YASK backend.
 * [Devito v3.3](https://github.com/opesci/devito/releases/tag/v3.3) and
   [Opescibench v0.1](https://github.com/opesci/opescibench/releases) to
   recreate the plots. The reason Devito v3.3 is used for plotting instead
   of the aforementioned Devito v3.1 is simply that substantial improvements to
-  the plotting routines have been added over time, and the manuscript uses the
-  v3.3 variant.
-* [YASK 7f0334d](https://github.com/opesci/yask) to run the experiments with
-  the YASK backend.
+  the plotting routines have been added over time, and the final version of
+  the manuscript uses the v3.3 variant.
 
 This directory is structured as follows: