diff --git a/src/rcore/hashing.rs b/src/rcore/hashing.rs
index 2b44862..5284246 100644
--- a/src/rcore/hashing.rs
+++ b/src/rcore/hashing.rs
@@ -2,7 +2,9 @@
 pub const HASH_SIZE: usize = 32;
 
 /// Zeroed out array of the same length as [`type@Hash`].
-/// Used in [`crate::rstd::nullable`].
+/// Used in [`nullable`].
+/// 
+/// [`nullable`]: crate::rstd::nullable
 pub const HASH_ZEROS: [u8; HASH_SIZE] = [0; HASH_SIZE];
 
 /// For use in [`Point`]/[`Address`].