minor fix

Author: irynaharoshka

liveness.yml

@@ -37,7 +37,7 @@ paths:
         - $ref: "./common.yml#/components/parameters/tag"
       tags:
         - liveness 2.0
-      summary: Delete liveness transaction
+      summary: delete liveness transaction
       description: "This endpoint deletes a liveness transaction based on either the specified `tag` or `transactionId`. At least one of the parameters must be provided for the operation to be valid."
       operationId: delete_liveness_transaction
       responses: