Fix README

Author: kmurray

README.md

@@ -2,5 +2,5 @@ libblifparse
 ----------------------------------
 
 This library provides a parser for a Berkely Logic Interchange Format (BLIF) files.
-See comments at the top of 'sdc/sdc.hpp' for more detailed information and usage.
+See comments at the top of 'src/blifparse.hpp' for more detailed information and usage.