diff --git a/examples/frameworks/spec/swagger.yaml b/examples/frameworks/spec/swagger.yaml
index 2064866cb..c5a27f4a5 100644
--- a/examples/frameworks/spec/swagger.yaml
+++ b/examples/frameworks/spec/swagger.yaml
@@ -13,7 +13,7 @@ paths:
       description: Generates a greeting message.
       operationId: post_greeting
       produces:
-        - text/plain;
+        - text/plain
       responses:
         '200':
           description: greeting response
diff --git a/examples/helloworld/spec/swagger.yaml b/examples/helloworld/spec/swagger.yaml
index 31e80f958..0bb22098a 100644
--- a/examples/helloworld/spec/swagger.yaml
+++ b/examples/helloworld/spec/swagger.yaml
@@ -13,7 +13,7 @@ paths:
       description: Generates a greeting message.
       operationId: hello.post_greeting
       produces:
-        - text/plain;
+        - text/plain
       responses:
         '200':
           description: greeting response