a series of clarifications of the docs
diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index e9c4861..550dc87 100644
--- a/user_guide/libraries/file_uploading.html
+++ b/user_guide/libraries/file_uploading.html
@@ -74,7 +74,7 @@
<li>Once uploaded, the user will be shown a success message.</li>
</ul>
-<p>To demonstrate this process here is brief tutorial. Afterward you'll find reference information.</p>
+<p>To demonstrate this process here is a brief tutorial. Afterward you'll find reference information.</p>
<h2>Creating the Upload Form</h2>