diff --git a/nextflow.config b/nextflow.config
index 29c87cd..88b8d43 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -128,6 +128,7 @@ params {
 
     // krona
     run_krona                  = false
+    krona_taxonomy_directory   = null
 }
 
 // Load base.config by default for all pipelines
diff --git a/subworkflows/local/visualization_krona.nf b/subworkflows/local/visualization_krona.nf
index b9f645d..d945184 100644
--- a/subworkflows/local/visualization_krona.nf
+++ b/subworkflows/local/visualization_krona.nf
@@ -51,6 +51,10 @@ workflow VISUALIZATION_KRONA {
     ch_krona_html = ch_krona_html.mix( KRONA_KTIMPORTTEXT.out.html )
     ch_versions = ch_versions.mix( KRONA_KTIMPORTTEXT.out.versions.first() )
 
+    /*
+        Convert Krona
+    */
+
     emit:
     html = ch_krona_html
     versions = ch_versions