diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7664704
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.bak
\ No newline at end of file
diff --git a/classes/output/renderer.php b/classes/output/renderer.php
index e75440d..fa91bf8 100644
--- a/classes/output/renderer.php
+++ b/classes/output/renderer.php
@@ -11,7 +11,7 @@ class renderer extends plugin_renderer_base {
private static $modals_rendered = false;
public function render_activity($activity_id) {
- $script = "";
+ $script = "