syntax fix

.gitlab-ci.yml

@@ -11,7 +11,7 @@ pages:
     - apt-get update && apt-get install -y git
     - git config user.name $GITLAB_USER_NAME
     - git config user.email $GITLAB_USER_EMAIL
-    - git fetch origin $PAGES_BRANCH && git -b checkout $PAGES_BRANCH origin/$PAGES_BRANCH || git checkout $PAGES_BRANCH || echo "Pages branch not deployed yet."
+    - git fetch origin $PAGES_BRANCH && git checkout -b $PAGES_BRANCH origin/$PAGES_BRANCH || git checkout $PAGES_BRANCH || echo "Pages branch not deployed yet."
     - git checkout $CI_COMMIT_SHA
   script:
     - >