Fix yamlint error

- Focus on indentation error
- Fix broken links in READMD

Change-Id: I37cca10f8d40f89b2b062c2e572772034ddcd09c
diff --git a/jjb/xos-synchronizer-update.yaml b/jjb/xos-synchronizer-update.yaml
index a395d3c..7b4d519 100644
--- a/jjb/xos-synchronizer-update.yaml
+++ b/jjb/xos-synchronizer-update.yaml
@@ -27,34 +27,34 @@
 
     parameters:
       - string:
-         name: executorNode
-         default: 'ubuntu16.04-basebuild-4c-8g'
-         description: 'Name of the Jenkins node to run the job on'
+          name: executorNode
+          default: 'ubuntu16.04-basebuild-4c-8g'
+          description: 'Name of the Jenkins node to run the job on'
 
       - string:
-         name: manifestUrl
-         default: '{gerrit-server-url}/{cord-repo-manifest}'
-         description: 'URL to the repo manifest'
+          name: manifestUrl
+          default: '{gerrit-server-url}/{cord-repo-manifest}'
+          description: 'URL to the repo manifest'
 
       - string:
-         name: manifestBranch
-         default: '$GERRIT_BRANCH'
-         description: 'Name of the repo branch to use'
+          name: manifestBranch
+          default: '$GERRIT_BRANCH'
+          description: 'Name of the repo branch to use'
 
       - string:
-         name: gerritProject
-         default: '$GERRIT_PROJECT'
-         description: 'Name of the Gerrit project'
+          name: gerritProject
+          default: '$GERRIT_PROJECT'
+          description: 'Name of the Gerrit project'
 
       - string:
-         name: gerritChangeNumber
-         default: '$GERRIT_CHANGE_NUMBER'
-         description: 'Changeset number in Gerrit'
+          name: gerritChangeNumber
+          default: '$GERRIT_CHANGE_NUMBER'
+          description: 'Changeset number in Gerrit'
 
       - string:
-         name: gerritPatchsetNumber
-         default: '$GERRIT_PATCHSET_NUMBER'
-         description: 'PatchSet number in Gerrit'
+          name: gerritPatchsetNumber
+          default: '$GERRIT_PATCHSET_NUMBER'
+          description: 'PatchSet number in Gerrit'
 
     project-type: pipeline
     concurrent: true