docs: typo README

README.md

@@ -1,17 +1,15 @@
 # OVFS, OpenDAL File System via Virtio
 
-OVFS is a backend implementation of VirtioFS. It provides a file system interface for VMs based on OpenDAL, aiming to accelerate VMs IO performance by VirtIO and seamlessly connect with various storage backends.
+OVFS is a backend implementation of VirtioFS. It provides a filesystem interface for VMs based on [Apache OpenDAL](https://github.com/apache/opendal), aiming to accelerate VMs IO performance by VirtIO and seamlessly connect with various storage backends.
 
-<div style="text-align: center">
-<img src="./docs/proposal/media/architecture.png" width="600" height="450" alt="OVFS Architecture">
-</div>
+![OVFS Architecture](./docs/proposal/media/architecture.png)
 
 ## How to Use
 
 The following components are required:
-- Rust environment on the host to run OVFS
-- QEMU 4.2 or later for built-in VirtioFS support
-- A Linux 5.4 or later guest kernel for built-in VirtioFS support
+- Rust environment on the host to run OVFS.
+- QEMU 4.2 or later for built-in VirtioFS support.
+- A Linux 5.4 or later guest kernel for built-in VirtioFS support.
 
 ### Install QEMU and VMs
 
@@ -24,18 +22,21 @@ Download and install the VM, taking Ubuntu as an example:
 ```shell
 wget https://releases.ubuntu.com/20.04/ubuntu-20.04.6-live-server-amd64.iso
 truncate -s 10G image.img
-sudo qemu-system-x86_64 -enable-kvm -smp 2 -m 4G -cdrom ubuntu-20.04.6-live-server-amd64.iso -drive file=image.img,format=raw,cache=none,if=virtio -boot d
+sudo qemu-system-x86_64 -enable-kvm -smp 2 -m 4G \
+    -cdrom ubuntu-20.04.6-live-server-amd64.iso \
+    -drive file=image.img,format=raw,cache=none,if=virtio \
+    -boot d
 ```
 
 ### Mount shared directory on VMs
 
-Run ovfs and set the listening socket path and service configuration used:
+Run OVFS and set the listening socket path and service configuration used:
 
 ```shell
 host# cargo run --release <socket-path> <backend-url>
 ```
 
-backend-url is the URL that includes the scheme and parameters of the service used, in the following format:
+`backend-url` is the URL that includes the scheme and parameters of the service used, in the following format:
 - fs://?root=<directory>
 - s3://?root=<path>&bucket=<bucket>&endpoint=<endpoint>&region=<region>&access_key_id=<access-key-id>&secret_access_key=<secret-access-key>
 
@@ -56,6 +57,8 @@ Mount a shared directory in the VM:
 guest# sudo mount -t virtiofs <fs-tag> <mount-point>
 ```
 
+For more examples, please refer to the test scripts in github actions of this repository.
+
 ## Periodic Reports During GSoC 2024
 - [05.12-05.19](./docs/reports/05.12-05.19.md)
 - [05.20-06.02](./docs/reports/05.20-06.02.md)