diff --git a/src/matrix.rs b/src/matrix.rs
index 6558e6e..8098da6 100644
--- a/src/matrix.rs
+++ b/src/matrix.rs
@@ -21,7 +21,7 @@ impl Matrix {
         let n = ciphertexts.len();
         let mut values = Vec::with_capacity(n * n);
 
-        // First row: [2^noise_bits, ciphertexts[0], ciphertexts[1], ..., ciphertexts[t]]
+        // First row: [2^noise_bits, ciphertexts[1], ..., ciphertexts[t]]
         values.push((2.0f64).powi(noise_bits as i32));
         values.extend_from_slice(&ciphertexts[1..]);