diff --git a/crates/typst-library/src/math/root.rs b/crates/typst-library/src/math/root.rs
index 0cf5679a7..b889f1cb0 100644
--- a/crates/typst-library/src/math/root.rs
+++ b/crates/typst-library/src/math/root.rs
@@ -4,7 +4,7 @@ use super::*;
 ///
 /// ## Example { #example }
 /// ```example
-/// $ sqrt(x^2) = x = sqrt(x)^2 $
+/// $ sqrt(3 - 2 sqrt(2)) = sqrt(2) - 1 $
 /// ```
 ///
 /// Display: Square Root