fix comma

Author: yuqiu123

docs/basic-concepts/basic-concepts.md

@@ -45,7 +45,7 @@ The meta module within each IOMesh Block Storage component for metadata manageme
 
 **IOMesh CSI Driver**
 
-The CSI driver that adheres to [the CSI standard](https://github.com/container-storage-interface/spec/blob/master/spec.md) and utilizes RPC (Remote Procedure Call)  to manage persistent volumes, delivering reliable and consistent storage for data applications on Kubernetes. Each Kubernetes persistent volume corresponds to an iSCSI LUN in the IOMesh cluster.
+The CSI driver that adheres to [the CSI standard](https://github.com/container-storage-interface/spec/blob/master/spec.md) and utilizes RPC (Remote Procedure Call) to manage persistent volumes, delivering reliable and consistent storage for data applications on Kubernetes. Each Kubernetes persistent volume corresponds to an iSCSI LUN in the IOMesh cluster.
 
 **IOMesh Operator**
 

docs/deploy-iomesh-cluster/install-iomesh.md

@@ -321,7 +321,7 @@ Make sure the CPU architecture of your Kubernetes cluster is Intel x86_64, Hygon
 
     - An optional step. Configure the `podDeletePolicy` field to determine whether the system should automatically delete the pod and rebuild it on another healthy node when the Kubernetes node that hosts the pod fails.  This configuration applies only to the pod with an IOMesh-created PVC mounted and the access mode set to `ReadWriteOnly`.
     
-      If left unspecified, the value of this field will be set to `no-delete-pod` by default,  indicating that the system won't automatically delete and rebuild the pod in case of node failure.
+      If left unspecified, the value of this field will be set to `no-delete-pod` by default, indicating that the system won't automatically delete and rebuild the pod in case of node failure.
       ```yaml
       csi-driver:
         driver: