Update src/collections/blog/2025/10-09-2025-agents-instructions/index.mdx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Alex Quinn <227241865+alexquincy@users.noreply.github.com>

Author: alexquincy

src/collections/blog/2025/10-09-2025-agents-instructions/index.mdx

@@ -43,7 +43,7 @@ That’s the idea behind **AGENTS.md**: an open standard for guiding AI coding a
 
 Think of it this way: README.md is the front door for human developers. It's the first place you look to understand a project's purpose, setup, and contribution guidelines.
 
-<img src={ReadmeAgents}  width="50%" />
+<img src={ReadmeAgents} alt="Illustration of AGENTS.md as a README for AI coding agents" width="50%" />
 
 **AGENTS.md is the front door for AI agents.** It’s a single, standardized markdown file in the root of your project where AI assistants can get all the context they need to become a high-performing teammate.