Update 6.eco-tool-version.md

docs-2.0/20.appendix/6.eco-tool-version.md

@@ -78,7 +78,7 @@ Nebula Exchange (Exchange for short) is an Apache Spark&trade application for ba
 
 Nebula Operator (Operator for short) is a tool to automate the deployment, operation, and maintenance of Nebula Graph clusters on Kubernetes. Building upon the excellent scalability mechanism of Kubernetes, Nebula Graph introduced its operation and maintenance knowledge into the Kubernetes system, which makes Nebula Graph a real cloud-native graph database. For more information, see [What is Nebula Operator](../nebula-operator/1.introduction-to-nebula-operator.md).
 
-|Nebula Graph 版本|Operator 版本|
+|Nebula Graph version|Operator version|
 |:---|:---|
 | {{ nebula.release }}  | {{operator.release}}|