Update heed/src/cookbook.rs

Co-authored-by: Tamo <[email protected]>

heed/src/cookbook.rs

@@ -12,7 +12,7 @@
 //! LMDB automatically stores their names in the unnamed database, a database that doesn't
 //! need to be created in which you can write.
 //!
-//! However, once you create new databases, after defining the [`EnvOpenOptions::max_dbs`]
+//! Once you create new databases, after defining the [`EnvOpenOptions::max_dbs`]
 //! parameter, the names of those databases are automatically stored in the unnamed one.
 //!
 //! ```