Update README.md

iamchriswick · web-flow · commit 4c2ce2d9d710 · 2021-07-08T18:07:39.000+02:00
diff --git a/README.md b/README.md
@@ -1 +1,5 @@
 # Settle OpenAPI Specification - Version 1.5.3
+
+The Settle APIs formalized in an OpenAPI Description document.
+
+Machine-readable API descriptions are ubiquitous nowadays and [OpenAPI](https://www.openapis.org/) is **the most broadly adopted industry standard for describing new APIs**.
