diff --git a/src/types/to_sql.rs b/src/types/to_sql.rs
index 157df04..d6b3daf 100644
--- a/src/types/to_sql.rs
+++ b/src/types/to_sql.rs
@@ -1,7 +1,7 @@
 use super::{Null, Value, ValueRef};
 use ::Result;
 
-/// ToSqlOutput represents the possible output types for implementors of the ToSql trait.
+/// `ToSqlOutput` represents the possible output types for implementors of the `ToSql` trait.
 pub enum ToSqlOutput<'a> {
     /// A borrowed SQLite-representable value.
     Borrowed(ValueRef<'a>),