[documentation] small README changes

README.md

@@ -1,6 +1,6 @@
-<div align="center">
+<div style="display: grid; place-items: center;">
   <h1>Hyperlight</h1>
-  <img src="https://github.com/hyperlight-dev/hyperlight/blob/main/docs/assets/hl-tentative-logo.png" width="150px" />
+  <img src="https://raw.githubusercontent.com/hyperlight-dev/hyperlight/refs/heads/main/docs/assets/hyperlight-logo.png" width="150px" alt="hyperlight logo"/>
   <p>
     <strong>Hyperlight is a lightweight Virtual Machine Manager (VMM) designed to be embedded within applications. It enables safe execution of untrusted code within <i>micro virtual machines</i> with very low latency and minimal overhead.
     </strong>
@@ -157,7 +157,7 @@ For examples of guest applications, see the [./src/tests/c_guests](./src/tests/c
   - [src/tests/c_guests](./src/tests/c_guests) - This directory contains two Hyperlight Guest programs written in C, which are intended to be launched within partitions as "guests".
 
 - Tests:
-  - [src/hyperlight-testing](./src/hyperlight_testing/) - Shared testing code for Hyperlight projects build int Rust.
+  - [src/hyperlight-testing](./src/hyperlight_testing) - Shared testing code for Hyperlight projects build int Rust.
 
 ## Try it yourself!
 
@@ -220,9 +220,9 @@ If all worked as expected, you should the following message in your console:
 Hello, World! I am executing inside of a VM :)
 ```
 
-If you get the error `Error: NoHypervisorFound` and KVM or mshv is set up then this may be a permissions issue. In bash you can use `ls -l /dev/kvm` or  `ls -l /dev/mshv` to check which groups that owns the device and then `groups` to make sure your user is a member of that group. 
+If you get the error `Error: NoHypervisorFound` and KVM or mshv is set up then this may be a permissions issue. In bash, you can use `ls -l /dev/kvm` or  `ls -l /dev/mshv` to check which group owns that device and then `groups` to make sure your user is a member of that group. 
 
-For more details on how to verify that KVM is correctly installed and permissions are correct, follow the guide [here](https://help.ubuntu.com/community/KVM/Installation)).
+For more details on how to verify that KVM is correctly installed and permissions are correct, follow the guide [here](https://help.ubuntu.com/community/KVM/Installation).
 
 ## Contributing to Hyperlight