Fix syntax in message.

pym/cl_install.py

@@ -2407,7 +2407,7 @@ class cl_install(color_print, SignalInterrupt):
         tableOnBootDisk = self.varSelect('os_device_table',
                 where="os_device_dev",eq=mbr)
         if not tableOnBootDisk:
-            self.printERROR(_("Disk '%s' without partition table cann't "
+            self.printERROR(_("Disk '%s' without partition table can't "
               "contains boot record")%mbr)
             return False
         return True