Update README.md

NEMO/README.md

@@ -105,7 +105,7 @@ Nb_tasks| NNODES  |  SYPD     |  walltime(s)|
 2640    |  22     |     171,9 |	       1195 |
 3960    |  33     |     212,9 |	        996 |
 ```
-SYPD value (Simulated years per day)  is given in the file named **timing.output**
+SYPD value (Simulated years per day)  is given in the file named **timing.output** \
  Total           time :  926.210162 (**SYPD:   212.954** ) on MPI rank :     3960