Refine agentic spec prompt wording

Author: jacdevos

_posts/2026-05-13-executable-markdown-specs-agentic-coding.md

@@ -10,7 +10,7 @@ context: Lightning Talk
 
 Agentic software is changing how we build.
 
-As agentic coding becomes more common, **specifications are becoming the control surface**. The goal is longer autonomous execution loops: give an agent intent, let it plan, let it build, let it run checks, and keep going.
+As agentic coding becomes more common, **how good your prompts specify the behaviour you want is a key to good agent dev outcomes**. The goal is longer autonomous execution loops: give an agent intent, let it plan, let it build, let it run checks, and keep going.
 
 The constraint is also obvious: **agents need precise intent**.