Apply review suggestion by @raccube

Co-authored-by: Dominik M. Kwiatek <6197148+raccube@users.noreply.github.com>

app/javascript/retrospring/initializers/bootstrap.ts

@@ -2,7 +2,7 @@ import 'bootstrap';
 import $ from 'jquery';
 
 /**
- * This module sets up Bootstraps JavaScript
+ * This module sets up Bootstrap's JavaScript
  *
  * Inside of the exported function below, initialize Bootstrap
  * modules that require explicit initilization, like tooltips
@@ -12,4 +12,4 @@ export default function (): void {
     $('[data-toggle="tooltip"]').tooltip();
     $('.dropdown-toggle').dropdown();
   });
-}
+}