Update README.md

Author: eengl

README.md

@@ -31,6 +31,7 @@ All functions return a deferred-length, allocatable character scalar (``characte
 Admittedly, my knowledge of automake, autotools, etc is not strong at this time.  The makefile is preconfigured to compile with GNU Fortran (gfortran) ``$FC`` and its appropriate compiler options ``$FFLAGS``.  The default install path is set to ``/usr/local`` via ``$PREFIX``.  To change these make variables, simply edit the makefile or set these variables on the command line prior to the make commands.
 
 ``> [FC=... FFLAGS="..." PREFIX="..."] make``
+
 ``> [sudo] [FC=... FFLAGS="..." PREFIX="..."] make`` **(sudo access required to install to system area)**
 
 ### Test