Merge pull request #26 from jrmaddison/jrmaddison/fix_readme

Fix readme

Author: jrmaddison

readme.rst

@@ -1,9 +1,9 @@
 bt_ocean
 ========
 
-bt_ocean is a differentiable pseudospectral solver for the barotropic vorticity
-equation on a beta-plane, for classic wind-forced barotropic ocean gyre
-simulations.
+bt_ocean is a differentiable finite difference solver for the barotropic
+vorticity equation on a beta-plane, for classic wind-forced barotropic ocean
+gyre simulations.
 
 bt_ocean is designed to be simple, lightweight, and fast on a single GPU. The
 aim is enable rapid testing of ocean-relevant machine learning techniques in a
@@ -13,7 +13,7 @@ backscatter.
 Features
 --------
 
-- A pseudospectral solver for the 2D barotropic vorticity equation in a
+- A finite difference solver for the 2D barotropic vorticity equation in a
   rectangular domain, for simulations of classic wind-driven Munk-Stommel ocean
   gyre problems.
 - Uses the JAX library, providing GPU and autodiff support.