wrap line in architecture overview section (#2621)

Author: Notwannabe

docs-2.0-en/1.introduction/3.nebula-graph-architecture/1.architecture-overview.md

@@ -37,3 +37,4 @@ NebulaGraph applies the separation of storage and computing architecture. The Gr
     With the ability to run separately, the Graph Service may work with multiple types of storage engines, and the Storage Service may also serve more types of computing engines.
 
 For details on the Graph Service and the Storage Service, see [Graph Service](3.graph-service.md) and [Storage Service](4.storage-service.md).
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docs-2.0-zh/1.introduction/3.nebula-graph-architecture/1.architecture-overview.md

@@ -37,3 +37,4 @@ Meta 服务的详细说明，请参见 [Meta 服务](2.meta-service.md)。
     基于分离架构的特性，Graph 服务将可以在更多类型的存储引擎上单独运行，Storage 服务也可以为多种目的计算引擎提供服务。
 
 Graph 服务和 Storage 服务的详细说明，请参见 [Graph 服务](3.graph-service.md)和 [Storage 服务](4.storage-service.md)。
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