f Doc nit

Author: tnull

lightning/src/util/persist.rs

@@ -102,7 +102,7 @@ pub trait KVStore {
 	fn remove(&self, namespace: &str, sub_namespace: &str, key: &str, lazy: bool) -> io::Result<()>;
 	/// Returns a list of keys that are stored under the given `sub_namespace` in `namespace`.
 	///
-	/// Returns the keys in arbitrary order, so users requiring a particular order need sort the
+	/// Returns the keys in arbitrary order, so users requiring a particular order need to sort the
 	/// returned keys. Returns an empty list if `namespace` or `sub_namespace` is unknown.
 	fn list(&self, namespace: &str, sub_namespace: &str) -> io::Result<Vec<String>>;
 }