diff --git a/sinks/stdoutSink.md b/sinks/stdoutSink.md
index 317ca3f..3fe3308 100644
--- a/sinks/stdoutSink.md
+++ b/sinks/stdoutSink.md
@@ -9,14 +9,14 @@ The `stdout` sink is the most simple sink provided by cc-metric-collector. It wr
 {
   "<name>": {
     "type": "stdout",
-    "meta_as_tags" : true,
+    "meta_as_tags" : [],
     "output_file" : "mylogfile.log"
   }
 }
 ```
 
 - `type`: makes the sink an `stdout` sink
-- `meta_as_tags`: print all meta information as tags in the output (optional)
+- `meta_as_tags`: print meta information as tags in the output (optional)
 - `output_file`: Write all data to the selected file (optional). There are two 'special' files: `stdout` and `stderr`. If this option is not provided, the default value is `stdout`