diff --git a/README.md b/README.md
index 52d3b7d..aa1e6d6 100644
--- a/README.md
+++ b/README.md
@@ -206,7 +206,7 @@ type GreetRequest struct {
 
 The example is extracted and made available via the `Field.Example` field.
 
-### Open API
+### Open API
 
 To work on the Open API spec, you might find this command helpful: