diff --git a/squiggle_more.c b/squiggle_more.c
index 7fe492d..4441ce2 100644
--- a/squiggle_more.c
+++ b/squiggle_more.c
@@ -216,13 +216,13 @@ void array_print_stats(double xs[], int n)
     double std = array_std(xs, n);
     printf("| Statistic | Value |\n"
            "| --- | --- |\n"
-          "| Mean   | %lf |\n"
-          "| Median | %lf |\n"
-          "| Std    | %lf |\n"
-          "| 90% confidence interval | %lf to %lf |\n"
-          "| 80% confidence interval | %lf to %lf |\n"
-          "| 50% confidence interval | %lf to %lf |\n"
-        mean, median, std, ci_90.low, ci_90.high, ci_80.low, ci_80.high, ci_50.low, ci_50.high);
+           "| Mean   | %lf |\n"
+           "| Median | %lf |\n"
+           "| Std    | %lf |\n"
+           "| 90%% confidence interval | %lf to %lf |\n"
+           "| 80%% confidence interval | %lf to %lf |\n"
+           "| 50%% confidence interval | %lf to %lf |\n",
+           mean, median, std, ci_90.low, ci_90.high, ci_80.low, ci_80.high, ci_50.low, ci_50.high);
 }
 
 void array_print_histogram(double* xs, int n_samples, int n_bins)