Update README.md

Author: ktras

README.md

@@ -1,7 +1,7 @@
 Julienne
 ========
 
-Julienne is a modern-Fortran unit-testing framework that includes utilities for manipulating strings 
+Julienne is a modern Fortran unit-testing framework that includes utilities for manipulating strings 
 via Julienne's `string_t` derived type.  The target strings include command-line arguments accessed
 via Julienne's `command_line_t` type  and format strings generated by functions in Julienne's `formats_m` module.