diff --git a/src/rcore/serialization.rs b/src/rcore/serialization.rs
index 217d761..0a3cd7b 100644
--- a/src/rcore/serialization.rs
+++ b/src/rcore/serialization.rs
@@ -3,7 +3,9 @@
 ///
 /// See [`Serializable`].
 pub trait Serializer {
-    /// Writes bytes from a slice. Should advance value of [`Serializer::tell()`] by `buf.len()`.
+    /// Writes bytes from a slice. Should advance value of [`Serializer::tell()`] by [`buf.len`].
+    ///
+    /// [`buf.len`]: slice::len
     fn write(&mut self, buf: &[u8]);
     /// Current position of the stream. Used by [`CheckedSerialize`].
     ///