Adjust pick_main_scene punctuation

Author: theDrake

editor/editor_node.cpp

@@ -5517,7 +5517,7 @@ bool EditorNode::ensure_main_scene(bool p_from_native) {
 
 	if (main_scene.is_empty()) {
 		current_menu_option = -1;
-		pick_main_scene->set_text(TTR("No main scene has ever been defined, select one?\nYou can change it later in \"Project Settings\" under the 'application' category."));
+		pick_main_scene->set_text(TTR("No main scene has ever been defined. Select one?\nYou can change it later in \"Project Settings\" under the 'application' category."));
 		pick_main_scene->popup_centered();
 
 		if (editor_data.get_edited_scene_root()) {
@@ -5532,14 +5532,14 @@ bool EditorNode::ensure_main_scene(bool p_from_native) {
 
 	if (!FileAccess::exists(main_scene)) {
 		current_menu_option = -1;
-		pick_main_scene->set_text(vformat(TTR("Selected scene '%s' does not exist, select a valid one?\nYou can change it later in \"Project Settings\" under the 'application' category."), main_scene));
+		pick_main_scene->set_text(vformat(TTR("Selected scene '%s' does not exist. Select a valid one?\nYou can change it later in \"Project Settings\" under the 'application' category."), main_scene));
 		pick_main_scene->popup_centered();
 		return false;
 	}
 
 	if (ResourceLoader::get_resource_type(main_scene) != "PackedScene") {
 		current_menu_option = -1;
-		pick_main_scene->set_text(vformat(TTR("Selected scene '%s' is not a scene file, select a valid one?\nYou can change it later in \"Project Settings\" under the 'application' category."), main_scene));
+		pick_main_scene->set_text(vformat(TTR("Selected scene '%s' is not a scene file. Select a valid one?\nYou can change it later in \"Project Settings\" under the 'application' category."), main_scene));
 		pick_main_scene->popup_centered();
 		return false;
 	}