diff --git a/merge.nf b/merge.nf
index f4ca7de0..268022a6 100644
--- a/merge.nf
+++ b/merge.nf
@@ -204,7 +204,7 @@ workflow {
       }
 
     pre_merged_ch = grouped_libraries_ch.has_merge
-      .map{[ # merge file, project id, has adt
+      .map{[ // merge file, project id, has adt
         file("${params.results_dir}/${it[0]}/merged/${it[0]}_merged.rds")
         it[0],
         it[1]