.circleci/config.yml: fix typo

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5ed6c5f..ce9daa7 100644 (file)
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -27,8 +27,8 @@ test-nose2: &test-nose2
 
 version: 2
 jobs:
-  build:
-    docker-27:
+  build-27:
+    docker:
       - image: circleci/python:2.7
     steps:
       - checkout