diff --git a/cryptonight/src/util.rs b/cryptonight/src/util.rs
index 7fbf5cb4..de8b70b2 100644
--- a/cryptonight/src/util.rs
+++ b/cryptonight/src/util.rs
@@ -49,7 +49,7 @@ pub(crate) fn subarray_copy<T: AsRef<[U]> + ?Sized, U: Copy, const LEN: usize>(
 /// A mutable reference to a fixed-size subarray of type `[U; LEN]`.
 ///
 /// # Panics
-/// Panics if `start + LEN > array.as_ref().len()`.
+/// Panics if `start + LEN > array.as_mut().len()`.
 #[inline]
 pub(crate) fn subarray_mut<T: AsMut<[U]> + ?Sized, U, const LEN: usize>(
     array: &mut T,
diff --git a/storage/blockchain/src/ops/block.rs b/storage/blockchain/src/ops/block.rs
index 6d32fd81..cc5cb807 100644
--- a/storage/blockchain/src/ops/block.rs
+++ b/storage/blockchain/src/ops/block.rs
@@ -42,7 +42,7 @@ use crate::{
 /// # Panics
 /// This function will panic if:
 /// - `block.height > u32::MAX` (not normally possible)
-/// - `block.height` is not != [`chain_height`]
+/// - `block.height` is != [`chain_height`]
 // no inline, too big.
 pub fn add_block(
     block: &VerifiedBlockInformation,