diff --git a/ml/evaluation-metrics.qmd b/ml/evaluation-metrics.qmd
index 65fcddd..9b23c07 100644
--- a/ml/evaluation-metrics.qmd
+++ b/ml/evaluation-metrics.qmd
@@ -189,7 +189,7 @@ mat <- matrix(c("True positives (TP)", "False negatives (FN)",
 colnames(mat) <- c("Actually Positive", "Actually Negative")
 rownames(mat) <- c("Predicted positive", "Predicted negative")
 tmp <- as.data.frame(mat)
-if (knitr::is_html_output()) {
+if (knitr::is_html_output()){
   knitr::kable(tmp, "html") |>
     kableExtra::kable_styling(bootstrap_options = "striped", full_width = FALSE)
 } else{