Update README.md

Author: rossmann-engineering

README.md

@@ -48,4 +48,4 @@ Modbus TCP, Modbus UDP and Modbus RTU client/server library
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
- along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ along with EasyModbus.  If not, see <http://www.gnu.org/licenses/>.