Update pages/instances/reference-content/understanding-qemu-guest-agent.mdx

Co-authored-by: Rowena Jones <[email protected]>

Author: bene2k1

pages/instances/reference-content/understanding-qemu-guest-agent.mdx

@@ -45,7 +45,7 @@ Running the QEMU Guest Agent (QGA) on your Instance currently enables the follow
 
 Additional features may be added in the future.
 
-## What are the performance impacts of running the QGA inside my VM?
+## What is the performance impact of running the QGA inside my VM?
 
 The performance impact of running the QGA is negligible. The agent consumes very little RAM (<5 MB) and CPU (<0.1%), and there is no measurable I/O or network overhead when idle.
 The only operation the agent performs is reading from or writing to a file **in the VM** each time a public IP is attached to or detached from the VM.