diff --git a/src/gui/core/event/dispatcher.hpp b/src/gui/core/event/dispatcher.hpp
index 37953435c654..9d8078c902ac 100644
--- a/src/gui/core/event/dispatcher.hpp
+++ b/src/gui/core/event/dispatcher.hpp
@@ -750,7 +750,7 @@ class dispatcher
 			 *
 			 * NOTE: This used to only remove the first signal of matching target type.
 			 *       That behavior could be restored in the future if needed.
-			 * - vultraz 5/2/2017
+			 * - vultraz, 2017-05-02
 			 */
 			switch(position) {
 				case front_pre_child:
@@ -889,7 +889,7 @@ inline void disconnect_signal_mouse_left_click(dispatcher& dispatcher,
  * panels, but it does. Will revisit if it becomes an issue later (ie, if
  * this is used with other widgets and doesn't work).
  *
- * vultraz - 8/23/17
+ * - vultraz, 2017-08-23
  */
 inline void connect_signal_mouse_left_double_click(dispatcher& dispatcher, const signal_function& signal)
 {
diff --git a/src/gui/dialogs/addon/manager.cpp b/src/gui/dialogs/addon/manager.cpp
index 04304f628a96..36fa1d4ab9c3 100644
--- a/src/gui/dialogs/addon/manager.cpp
+++ b/src/gui/dialogs/addon/manager.cpp
@@ -627,7 +627,7 @@ void addon_manager::update_addon(const addon_info& addon, window& window)
 	 * calls the other. Since this might change in the future, I'm leaving this function
 	 * here for now.
 	 *
-	 * - vultraz, 3/12/17
+	 * - vultraz, 2017-03-12
 	 */
 	install_addon(addon, window);
 }
diff --git a/src/gui/dialogs/drop_down_menu.cpp b/src/gui/dialogs/drop_down_menu.cpp
index 19f519ff3fe9..1627ae3807dd 100644
--- a/src/gui/dialogs/drop_down_menu.cpp
+++ b/src/gui/dialogs/drop_down_menu.cpp
@@ -176,7 +176,7 @@ void drop_down_menu::pre_show(window& window)
 
 	// Handle embedded button toggling.
 	// For some reason this works as a listbox value callback but don't ask me why.
-	// -vultraz 2/17/17
+	// - vultraz, 2017-02-17
 	connect_signal_notify_modified(list, std::bind(&callback_flip_embedded_toggle, std::ref(window)));
 
 	// Dismiss on resize
diff --git a/src/gui/dialogs/multiplayer/mp_create_game.hpp b/src/gui/dialogs/multiplayer/mp_create_game.hpp
index a53ca72b8a8d..f59305681998 100644
--- a/src/gui/dialogs/multiplayer/mp_create_game.hpp
+++ b/src/gui/dialogs/multiplayer/mp_create_game.hpp
@@ -74,7 +74,7 @@ class mp_create_game : public modal_dialog, private plugin_executor
 	 * std::find to get the initial index. This method should also allow the values to eventually be translated,
 	 * since the string values don't come into consideration at all, save for populating the menu_button.
 	 *
-	 * -- vultraz, 8/21/2016
+	 * - vultraz, 2016-08-21
 	 */
 	std::vector<mp_game_settings::RANDOM_FACTION_MODE> rfm_types_;
 
diff --git a/src/gui/widgets/listbox.cpp b/src/gui/widgets/listbox.cpp
index 22c404cbb12c..a0c42d6b0682 100644
--- a/src/gui/widgets/listbox.cpp
+++ b/src/gui/widgets/listbox.cpp
@@ -541,7 +541,7 @@ void listbox::finalize(builder_grid_const_ptr header,
 		// Should probably look into a way to make it more general like it was before (used to be
 		// cast to selectable_item).
 		//
-		// vultraz - 8/23/2017
+		// - vultraz, 2017-08-23
 		//
 		if(toggle_button* selectable = find_widget<toggle_button>(&p, "sort_" +  std::to_string(i), false, false)) {
 			// Register callback to sort the list.