fix #665

src/manager_window.vala

@@ -890,6 +890,7 @@ namespace Pamac {
 
 		void on_mark_explicit_button_clicked (Gtk.Button button) {
 			transaction.set_pkgreason (current_package_displayed.name, 0); //Alpm.Package.Reason.EXPLICIT
+			refresh_details ();
 		}
 
 		Gtk.Widget populate_details_grid (string detail_type, string detail, Gtk.Widget? previous_widget) {

src/transaction.vala

@@ -234,13 +234,14 @@ namespace Pamac {
 		}
 
 		public bool set_pkgreason (string pkgname, uint reason) {
+			bool success = false;
 			try {
-				return transaction_interface.set_pkgreason (pkgname, reason);
+				success = transaction_interface.set_pkgreason (pkgname, reason);
 			} catch (Error e) {
 				emit_error ("Daemon Error", {"set_pkgreason: %s".printf (e.message)});
 			}
 			database.refresh ();
-			return false;
+			return success;
 		}
 
 		public void download_updates () {