     /// Applications should not depend on connection names and dispatch
     /// queue labels.
     ///
-    /// If the database label is nil, the current GRDB implementation uses the
-    /// following names:
+    /// If the configuration label is nil, the current GRDB implementation uses
+    /// the following names:
     ///
     /// - `GRDB.DatabaseQueue`: the (unique) connection of a DatabaseQueue
     /// - `GRDB.DatabasePool.writer`: the (unique) writer connection of

    /// - `GRDB.DatabasePool.snapshot.N`: the connection of a DatabaseSnapshot.
    ///   N grows with the number of snapshots.
    ///
    /// If the database label is not nil, for example "MyDatabase", the current
    /// GRDB implementation uses the following names:
    ///
    /// - `MyDatabase`: the (unique) connection of a DatabaseQueue
    /// - `MyDatabase.writer`: the (unique) writer connection of a DatabasePool

    /// Default: false
    public var readonly: Bool = false
    
    /// The configuration label.
    ///
    /// You can query this label at runtime:
    ///
