diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index e885412..3619d79 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -12,6 +12,10 @@
 #log4j.logger.de.ids_mannheim.korap.query.spans.ClassSpans = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.MatchSpans = TRACE, stdout
 
+# Wrapper
+#log4j.logger.de.ids_mannheim.korap.KorapQuery = TRACE, stdout
+#log4j.logger.de.ids_mannheim.korap.query.wrap.SpanSequenceQueryWrapper = TRACE, stdout
+
 # Collections
 #log4j.logger.de.ids_mannheim.korap.KorapFilter = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.KorapCollection = TRACE, stdout