chore: refine wording

Author: tianzhou

content/blog/platform-engineering-tools-essential-guide.md

@@ -21,8 +21,8 @@ Platform engineering adoption has surged in recent years. To better understand t
 
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-We pick GitHub, Datadog, Terraform and Vault as the essential tools for platform engineering. We believe these tools
-represent the best practices in the industry and serve as the building blocks to expand your platform engineering practice. Let’s dive in.
+We pick GitHub, Datadog, Terraform and Vault as the platform engineering essential toolkit. We believe these tools
+represent the best practices in the industry and serve as the fundamental building blocks to expand your platform engineering practice. Let’s dive in.
 
 ## [GitHub](https://github.com/) - Code Hosting and CI/CD