diff --git a/gadget/4.0/README.md b/gadget/4.0/README.md
index fecdd2b1084ef40fb05769e5c2f027f9ff0b35e9..0d73eab9fc744ebd2850abb29496e6ff9f15f857 100644
--- a/gadget/4.0/README.md
+++ b/gadget/4.0/README.md
@@ -36,8 +36,8 @@ Environment software need in the system: MPI (e.g., MPICH, OpenMPI, IntelMPI), F
 1. Load the environment modules necessary to compile and run the code, e.g,
 
 ```
-module load mpi/OpenMPI/4.0.3-GCC-9.3.0 data/HDF5/1.10.6-gompi-2020a numlib/FFTW/3.3.8-gompi-2020a
-numlib/GSL/2.6-GCC-9.3.0 
+module load mpi/OpenMPI/4.0.3-GCC-9.3.0 data/HDF5/1.10.6-gompi-2020a \
+numlib/FFTW/3.3.8-gompi-2020a numlib/GSL/2.6-GCC-9.3.0 
 ```
 
 2. In Makefile.systype select the machine you are using