Update BatchNorm.md

caffe2fluid/doc/BatchNorm.md

@@ -21,20 +21,20 @@ layer {
 ```python
 paddle.fluid.layers.batch_norm(
     input, 
-    act = None, 
-    is_test = False, 
-    momentum = 0.9, 
-    epsilon = 1e-05, 
-    param_attr = None, 
-    bias_attr = None, 
-    data_layout = 'NCHW', 
-    in_place = False, 
-    name = None, 
-    moving_mean_name = None, 
-    moving_variance_name = None, 
-    do_model_average_for_mean_and_var = False, 
-    fuse_with_relu = False, 
-    use_global_stats = False
+    act=None, 
+    is_test=False, 
+    momentum=0.9, 
+    epsilon=1e-05, 
+    param_attr=None, 
+    bias_attr=None, 
+    data_layout='NCHW', 
+    in_place=False, 
+    name=None, 
+    moving_mean_name=None, 
+    moving_variance_name=None, 
+    do_model_average_for_mean_and_var=False, 
+    fuse_with_relu=False, 
+    use_global_stats=False
 )
 ```