diff --git a/internal/numbers/numbers.go b/internal/numbers/numbers.go
index 76be1aa..e62f346 100644
--- a/internal/numbers/numbers.go
+++ b/internal/numbers/numbers.go
@@ -109,7 +109,7 @@ func Round(x float64) float64 {
 
 // MinMax returns the smallest and the largest value among the provided values.
 // Returns (0, 0) if there are no values.
-// Ignores NaN values. Allowing NaN values could led in a corner case where all
+// Ignores NaN values. Allowing NaN values could lead to a corner case where all
 // values can be NaN, in this case the function will return NaN as min and max.
 func MinMax(values []float64) (min, max float64) {
 	if len(values) == 0 {
diff --git a/internal/numbers/numbers_test.go b/internal/numbers/numbers_test.go
index d1bfed0..f5955b5 100644
--- a/internal/numbers/numbers_test.go
+++ b/internal/numbers/numbers_test.go
@@ -232,13 +232,11 @@ func TestMinMax(t *testing.T) {
 	for _, tc := range tests {
 		t.Run(tc.desc, func(t *testing.T) {
 			gotMin, gotMax := MinMax(tc.values)
-			// Different assertion for NaN cases.
-			if (math.IsNaN(tc.wantMin) && !math.IsNaN(gotMin)) ||
-				(math.IsNaN(tc.wantMax) && !math.IsNaN(gotMax)) {
-				t.Errorf("MinMax => (%v, %v), want (%v, %v)", gotMin, gotMax, tc.wantMin, tc.wantMax)
-			} else if !math.IsNaN(tc.wantMin) && gotMin != tc.wantMin ||
-				!math.IsNaN(tc.wantMax) && gotMax != tc.wantMax {
-				t.Errorf("MinMax => (%v, %v), want (%v, %v)", gotMin, gotMax, tc.wantMin, tc.wantMax)
+			if diff := pretty.Compare(tc.wantMin, gotMin); diff != "" {
+				t.Errorf("MinMax => unexpected min, diff (-want, +got):\n %s", diff)
+			}
+			if diff := pretty.Compare(tc.wantMax, gotMax); diff != "" {
+				t.Errorf("MinMax => unexpected max, diff (-want, +got):\n %s", diff)
 			}
 		})
 	}