Update README.md

scripts/README.md

@@ -8,7 +8,7 @@ Installation guide dumux
 
 You can set up dumux using the attached script install.sh.
 You need to have the following REQUIREMENTS installed:
-  * gcc >= 4.9
+  * gcc >= 7
   * cmake >= 3.1
   * git
   * pkg-config
@@ -18,7 +18,7 @@ You need to have the following REQUIREMENTS installed:
 
 On debian-based system you can use this:
 ```bash
-  apt-get install build-essential pkg-config cmake git paraview wget gnuplot libsuitesparse-dev
+  apt-get install build-essential gfortran pkg-config cmake git paraview wget gnuplot libsuitesparse-dev
 ```
 
 Then, you can the execute the script and it will download the dune repositories and dumux