Update SofmaxWithLoss.md

caffe2fluid/doc/SofmaxWithLoss.md

@@ -83,7 +83,7 @@ layer {
 # label输入shape：(100,1)  
 # 输出shape：(10,1)
 softmaxwithloss = fluid.layers.softmax_with_cross_entropy(logits=logs, label=labels, 
-							soft_label=True, ignore_index=-100, 
-							numeric_stable_mode=False, 
+							soft_label=False, ignore_index=-100, 
+							numeric_stable_mode=True, 
 							return_softmax=False)
 ```