diff --git a/src/fr/devinsy/statoolinfos/metrics/Prober.java b/src/fr/devinsy/statoolinfos/metrics/Prober.java
index 17fdd1f..dfd1661 100644
--- a/src/fr/devinsy/statoolinfos/metrics/Prober.java
+++ b/src/fr/devinsy/statoolinfos/metrics/Prober.java
@@ -22,6 +22,7 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
+import java.time.LocalDateTime;
 
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
@@ -152,6 +153,17 @@ public class Prober
         StringList prefixes = counters.getPrefixes();
 
         StringList metrics = new StringList();
+
+        //
+        metrics.appendln("# [File]");
+        metrics.appendln("file.class=metrics");
+        metrics.appendln("file.generator=StatoolInfos");
+        metrics.appendln("file.datetime=" + LocalDateTime.now().toString());
+        metrics.appendln("file.protocol=StatoolInfos-0.3.0");
+        metrics.appendln();
+        metrics.appendln("# [Metrics]");
+
+        //
         for (String prefix : prefixes)
         {
             logger.info("====== {}", prefix);