diff --git a/instructions/devops-core-principles.instructions.md b/instructions/devops-core-principles.instructions.md
index bb97330..50dac8b 100644
--- a/instructions/devops-core-principles.instructions.md
+++ b/instructions/devops-core-principles.instructions.md
@@ -1,5 +1,5 @@
 ---
-applyTo: ["*"]
+applyTo: ['*']
 description: "Foundational instructions covering core DevOps principles, culture (CALMS), and key metrics (DORA) to guide GitHub Copilot in understanding and promoting effective software delivery."
 ---