diff --git a/algo/plot.go b/algo/plot.go
index 5ed19d9..bfbb226 100644
--- a/algo/plot.go
+++ b/algo/plot.go
@@ -103,9 +103,11 @@ func plotAllDims(algoStats []stats.Stats, fPrefix, fExt string, ch chan report.P
 		p := plot.New()
 		pic := report.NewPic()
 
-		p.Title.Text = "D: " + fmt.Sprint(s.Dimens) +
-			", G: " + fmt.Sprint(s.Generations) +
-			", I: " + fmt.Sprint(s.Iterations)
+		p.Title.Text = fmt.Sprintf("D: %d, G: %d, I: %d",
+			s.Dimens,
+			s.Generations,
+			s.Iterations,
+		)
 		// this is latex-rendered.
 		pic.Caption = strings.ReplaceAll(p.Title.Text, " ", "~")
 
@@ -165,19 +167,24 @@ func plotAllDims(algoStats []stats.Stats, fPrefix, fExt string, ch chan report.P
 				log.Panic(err)
 			}
 
-			filename := picsDir +
-				fPrefix + "-" +
-				util.SanitiseFName(s.Algo) + "-" +
-				util.SanitiseFName(dim.BenchName) + "-" +
-				fmt.Sprint(s.Dimens) + "D-" +
-				fmt.Sprint(s.Generations) + "G-" +
-				fmt.Sprint(len(dim.BenchResults)) + "I"
+			filename := fmt.Sprintf("%s%s-%s-%s-%dD-%dG-%dI",
+				picsDir,
+				fPrefix,
+				util.SanitiseFName(s.Algo),
+				util.SanitiseFName(dim.BenchName),
+				s.Dimens,
+				s.Generations,
+				len(dim.BenchResults),
+			)
 			filenameMean := filename + util.SanitiseFName(" Mean")
 
 			// NEVER EVER ATTEMPT TO INITIALISE THIS WITH `pic`!
 			picMean := report.NewPic()
-			meanTitle := "D: " + fmt.Sprint(s.Dimens) + ", G: " +
-				fmt.Sprint(s.Generations) + ", I: " + fmt.Sprint(s.Iterations)
+			meanTitle := fmt.Sprintf("D: %d, G: %d, I: %d",
+				s.Dimens,
+				s.Generations,
+				s.Iterations,
+			)
 
 			// this is latex-rendered.
 			picMean.Caption = "Mean - " + strings.ReplaceAll(meanTitle, " ", "~")
@@ -190,8 +197,9 @@ func plotAllDims(algoStats []stats.Stats, fPrefix, fExt string, ch chan report.P
 			pMean := plotMeanVals(dim.MeanVals, meanTitle, s.Generations)
 
 			elapsed := time.Since(start)
-			info := "saving img to file: " + filename + "(-Mean)" + fExt +
-				" [generated in " + fmt.Sprint(elapsed) + "]"
+			info := fmt.Sprintf("saving img to file: %s(-Mean)%s [generated in %s]",
+				filename, fExt, elapsed,
+			)
 
 			if s.Algo == "Random Search" {
 				printRandomSearch(info)