diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index 1bb4035..e1af705 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -6,6 +6,7 @@
 #log4j.logger.de.ids_mannheim.korap.query.spans.WithinSpans = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.SpanNextQuery = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.NextSpans = TRACE, stdout
+#log4j.logger.de.ids_mannheim.korap.query.spans.SimpleSpans = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.KorapTermSpan = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.ClassSpans = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.MatchSpans = TRACE, stdout
@@ -15,6 +16,8 @@
 #log4j.logger.de.ids_mannheim.korap.KorapCollection = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.index.PositionsToOffset = TRACE, stdout
 
+#log4j.logger.de.ids_mannheim.korap.index.TestSegmentIndex = TRACE, stdout
+
 #log4j.logger.de.ids_mannheim.korap.analysis.MultiTermTokenStream = TRACE, stdout
 
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender