diff --git a/src/fr/devinsy/statoolinfos/metrics/http/HttpErrorLog.java b/src/fr/devinsy/statoolinfos/metrics/http/HttpErrorLog.java
index 07511f9..e3f7594 100644
--- a/src/fr/devinsy/statoolinfos/metrics/http/HttpErrorLog.java
+++ b/src/fr/devinsy/statoolinfos/metrics/http/HttpErrorLog.java
@@ -30,6 +30,12 @@ import fr.devinsy.strings.StringList;
 
 /**
  * The Class HttpErrorLog.
+ * 
+ * Default Nginx error log format: timestamp + [level] + message.
+ * 
+ * 2021/01/06 15:27:17 [error] 12930#12930: *13091990 connect() failed (111:
+ * Connection refused) while
+ * 
  */
 public class HttpErrorLog
 {