diff --git a/tests/README.md b/tests/README.md
index fa6e8035..ffbaafc7 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -5,7 +5,7 @@ This subdirectory provides automated tests for the FTorch library.
 ## Pre-requisites for running tests
 
 * FTorch
-* [pFUnit](https://github.com/Goddard-Fortran-Ecosystem/pFUnit).
+* [pFUnit](https://github.com/Goddard-Fortran-Ecosystem/pFUnit) (it is not necessary to build this with MPI support at the moment for these tests).
 
 ## Building and running tests