fix: display histogram upper bound correctly

squiggle_more.c

@@ -397,7 +397,7 @@ void array_print_90_ci_histogram(double* xs, int n_samples, int n_bins)
         }
         printf(" %d\n", bins[i]);
     }
-    printf("(%*.*f, %*s): ", 4 + decimalPlaces, decimalPlaces, min_value, 6 + decimalPlaces, "+∞");
+    printf("(%*.*f, %*s): ", 4 + decimalPlaces, decimalPlaces, max_value, 6 + decimalPlaces, "+∞");
     int marks_above_max = (int)(above_max * scale);
     for (int j = 0; j < marks_above_max; j++) {
         printf("█");