fix dbUser docs

Author: Huskydog9988

README.md

@@ -23,7 +23,7 @@ jobs:
     # Cron schedule
     # run every 5 minutes
     cron: "*/5 * * * *"
-    # allows you to specify a custom db user for cmd to use
+    # optional: allows you to specify a custom db user for cmd to use
     dbUser: "postgres"
 
   # job name

config.yaml

@@ -11,9 +11,11 @@ jobs:
     match: "^test-postgres"
     # Cron schedule
     cron: "*/5 * * * *"
-    # allows you to specify a custom db user for cmd to use
+    # optional: allows you to specify a custom db user for cmd to use
     dbUser: "postgres"
 
+  # optional: you can specify multiple jobs
+
   textExact:
     dbType: postgres
     matchMethod: exact