Update README.md

README.md

@@ -21,9 +21,9 @@ Corresponding email: remi.abgrall@math.uzh.ch
 ### Compilation
 Makefile in `Make/Makefile_2D.gfortran`. Uses `gfortran`
 ```
-\make -f Make//Makefile_2D.gfortran dec
+make -f Make//Makefile_2D.gfortran dec
 
-\make -f Make/Makefile_2D.gfortran clean
+make -f Make/Makefile_2D.gfortran clean
 ```
 
 Note:`LIBS=-L/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib` for mac