diff --git a/block_lifecycle.php b/block_lifecycle.php
index 783c7ed..bb15073 100644
--- a/block_lifecycle.php
+++ b/block_lifecycle.php
@@ -83,7 +83,7 @@ public function get_content() {
                 if (has_capability("moodle/site:managecontextlocks", $context)) {
                     $html .= $renderer->show_unfreeze_button($courseid);
                 }
-            }        
+            }
 
             $this->content->text = $html;
 
diff --git a/renderer.php b/renderer.php
index 9111e2d..8d68ef1 100644
--- a/renderer.php
+++ b/renderer.php
@@ -164,7 +164,7 @@ public function show_unfreeze_button(int $courseid): string {
         $freezeurl = new moodle_url('/admin/lock.php', ['id' => $context->id]);
         return html_writer::div(
             '<a href="' . $freezeurl .' " class="btn btn-primary">' .
-            get_string('button:unfreezecoursecontext', 'block_lifecycle') . 
+            get_string('button:unfreezecoursecontext', 'block_lifecycle') .
             '</a>'
         );