diff --git a/base/src/main/java/de/staropensource/sosengine/base/logging/Logger.java b/base/src/main/java/de/staropensource/sosengine/base/logging/Logger.java
index 2101a41c..5e8bcb9a 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/logging/Logger.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/logging/Logger.java
@@ -48,6 +48,7 @@ import java.util.List;
  *
  * @see LoggerInstance
  * @see CrashHandler
+ * @since v1-alpha0
  */
 @SuppressWarnings({ "unused", "JavadocDeclaration" })
 public final class Logger {