README: Adjust job name

README.md

@@ -43,7 +43,7 @@ How it works
 ============
 The job definitions are read by a seed job in Jenkins on commit to
 update the job definitions for building Debian packages. The seed jobs
-reads *jobs.groovy* (using [Jenkins Job DSL][1] which in turn
+reads *ci_jobs.groovy* (using [Jenkins Job DSL][1] which in turn
 processes *jobs.yaml* containing the actual job definitions. When jobs
 are removed from *jobs.yaml* they get disabled in Jenkins automatically.