diff --git a/README.md b/README.md
new file mode 100644
index 0000000..66fc585
--- /dev/null
+++ b/README.md
@@ -0,0 +1,5 @@
+# Simple domain decomposition using MPI
+
+A simple implementation of a 2-D random walker with domain decomposition in a single direction using MPI.
+
+Set up to compile with `mpiifort` and run with `mpirun` on 2 MPI processes for now.