diff --git a/postgres-types/src/lib.rs b/postgres-types/src/lib.rs
index 6542fc59..ecda2fbd 100644
--- a/postgres-types/src/lib.rs
+++ b/postgres-types/src/lib.rs
@@ -960,7 +960,7 @@ mod sealed {
 /// A helper trait used internally by Rust-Postgres
 /// to be able create a parameters iterator from `&dyn ToSql` or `T: ToSql`.
 ///
-/// /// This cannot be implemented outside of this crate.
+/// This cannot be implemented outside of this crate.
 pub trait BorrowToSql: sealed::Sealed {
     /// Get a reference to a `ToSql` trait object
     fn borrow_to_sql(&self) -> &dyn ToSql;