diff --git a/aql/hierarchy.go b/aql/hierarchy.go
index e159c2061fe848a668446e9ad2461d7aaa17d293..a437ad226e9201e382698dd42c8f61574ee80823 100644
--- a/aql/hierarchy.go
+++ b/aql/hierarchy.go
@@ -432,7 +432,7 @@ func AboveAppend(list [][]pdict, index int, value []pdict) [][]pdict {
 	return BelowAppend(list, index-1, value)
 }
 
-// A function that appends 1 level below (thanks to wasmup on stackoverflow)
+// A function that appends 1 level below
 func BelowAppend(lists [][]pdict, index int, value []pdict) [][]pdict {
 	if len(lists)-1 == index { // nil or empty slice or after last element
 		return append(lists, value)