diff --git a/caffe2fluid/doc/Exp.md b/caffe2fluid/doc/Exp.md
index b1dc914c3aec51e634a09c64a3a6f967e638f93c..efb97f0babf41f071f05b50b07c8958027576c5d 100644
--- a/caffe2fluid/doc/Exp.md
+++ b/caffe2fluid/doc/Exp.md
@@ -8,7 +8,7 @@ layer {
     type: "Exp"
     bottom: "data"
     top: "exp"	
-    exp_param{
+    exp_param {
 	base: -1
 	scale: 1
 	shift: 0
@@ -21,7 +21,7 @@ layer {
 ```python
 paddle.fluid.layers.exp(
     x,
-    name = None
+    name=None
 )
 ```  
 
@@ -30,8 +30,8 @@ paddle.fluid.layers.exp(
 Caffe：有三个关于计算的参数，其计算公式为：  
 $$
 y=\begin{cases}
-e^(shift+scale \times x),\quad x\leq 0 \\\\
-base^(shift+scale \times x),\quad x>0
+e^{(shift+scale \times x)},\quad x\leq 0 \\\\
+base^{(shift+scale \times x)},\quad x>0
 \end{cases}
 $$