fix typo : miss back quote

train.py

@@ -145,7 +145,7 @@ group.add_argument('--grad-checkpointing', action='store_true', default=False,
 # Optimizer parameters
 group = parser.add_argument_group('Optimizer parameters')
 group.add_argument('--opt', default='sgd', type=str, metavar='OPTIMIZER',
-                    help='Optimizer (default: "sgd"')
+                    help='Optimizer (default: "sgd")')
 group.add_argument('--opt-eps', default=None, type=float, metavar='EPSILON',
                     help='Optimizer Epsilon (default: None, use opt default)')
 group.add_argument('--opt-betas', default=None, type=float, nargs='+', metavar='BETA',
@@ -210,7 +210,7 @@ group.add_argument('--warmup-prefix', action='store_true', default=False,
 group.add_argument('--cooldown-epochs', type=int, default=0, metavar='N',
                     help='epochs to cooldown LR at min_lr, after cyclic schedule ends')
 group.add_argument('--patience-epochs', type=int, default=10, metavar='N',
-                    help='patience epochs for Plateau LR scheduler (default: 10')
+                    help='patience epochs for Plateau LR scheduler (default: 10)')
 group.add_argument('--decay-rate', '--dr', type=float, default=0.1, metavar='RATE',
                     help='LR decay rate (default: 0.1)')