diff --git a/algo/algo.go b/algo/algo.go
index d1cadfd..64757a2 100644
--- a/algo/algo.go
+++ b/algo/algo.go
@@ -45,6 +45,9 @@ func GetMeanStats() *stats.MeanStats {
 	return meanStats
 }
 
+// PrepComparisonOfMeans returns a pointer to a slice of pics (of type
+// report.PicList) and an integer - the count of unique benchmarking functions
+// used.
 func PrepComparisonOfMeans(wg *sync.WaitGroup) (*report.PicList, int) {
 	pL := report.NewPicList()
 	meanStats := GetMeanStats()
diff --git a/bench/functions.go b/bench/functions.go
index a1be7ae..d4836eb 100644
--- a/bench/functions.go
+++ b/bench/functions.go
@@ -13,6 +13,7 @@ var Functions = map[string]func([]float64) float64{
 	"De Jong 2nd": DeJong2nd,
 }
 
+// FuncNames represents a numbered list of function name.
 var FuncNames = map[int]string{
 	0: "Schwefel",
 	1: "De Jong 1st",