diff --git a/libcasr/src/stacktrace.rs b/libcasr/src/stacktrace.rs
index 23c41187..af5175af 100644
--- a/libcasr/src/stacktrace.rs
+++ b/libcasr/src/stacktrace.rs
@@ -193,10 +193,10 @@ pub fn dedup_stacktraces(stacktraces: &[Stacktrace]) -> Vec<bool> {
 ///
 /// # Arguments
 ///
-/// * `len` - matrix length
-///
 /// * `matrix` - condensed dissimilarity matrix
 ///
+/// * `len` - matrix length
+///
 /// # Return value
 ///
 /// A vector of the `len` length.