diff --git a/README.md b/README.md
index aa1235f..6e97ffe 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,8 @@
 # API builder
 
-A simple script to autmatically generate Python API clients from JSON-based
-Swagger descriptions. Works with a few selected Swagger definitions, but I
-haven’t tested it on many different formats. Very much just a Proof of Concept
-that happens to be useful.
+A simple script to autmatically generate Python API clients from Swagger descriptions, both in YAML and JSON. Works with a few selected Swagger
+definitions, but I haven’t tested it on many different formats. Very much just
+a Proof of Concept that happens to be useful.
 
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