diff --git a/docs/graph_data_format.md b/docs/graph_data_format.md
index ba4a8d90c90dc5ad6f5d44c569ae9a11d6da3441..0fbd9c8170b7e71fcd7be55ae6ef5d2fce3f4174 100644
--- a/docs/graph_data_format.md
+++ b/docs/graph_data_format.md
@@ -8,7 +8,7 @@ Facebook has an open-source project called [ONNX](http://onnx.ai/)(Open Neural N
 ## IR of ONNX
 The description of ONNX IR can be found [here](https://github.com/onnx/onnx/blob/master/docs/IR.md). The most important part is the definition of [Graph](https://github.com/onnx/onnx/blob/master/docs/IR.md#graphs).
 
-Each computed data flow graph is structured as a list of nodes that form the graph. Each node is called an operator. Nodes have zero or more inputs, one or more outputs, and zero or more attribute-value pairs. 
+Each computation data flow graph is structured as a list of nodes that form the graph. Each node is called an operator. Nodes have zero or more inputs, one or more outputs, and zero or more attribute-value pairs. 
 
 ## Rest API data format
 Frontend uses rest API to get data from the server. The data format will be JSON. The data structure of a Graph is as below. Each Graph has three vectors: