diff --git a/Docs/source/mpi_plus_x.rst b/Docs/source/mpi_plus_x.rst
index 33df1d1224..03f14ef614 100644
--- a/Docs/source/mpi_plus_x.rst
+++ b/Docs/source/mpi_plus_x.rst
@@ -104,7 +104,7 @@ To enable this, compile with::
 
       CUDA_ARCH=89
 
-   to the ``make`` line or ``GNUmakefile``.
+   to the ``make`` line.
 
 .. note::