Readme.md edited online with Bitbucket

Readme.md

@@ -16,12 +16,18 @@ This is the fortran source code and GUI of TrimSP Monte-Carlo simulations.
 
 ### Fortran code compilation: ###
 
-    cd fortran
+Install gfortran compiler, then:
+
+    cd trimsp/fortran
 	make
+    make install
+    
+This will install the `trimspNL` in `/usr/local/bin`.
 
 ### Running the GUI ###
-After installing Node.js and Electron
+Install Node.js and Electron, then
 
+    cd trimsp
     npm start
 
 ### Contact ###