diff --git a/user-guide/the-interface/index.njk b/user-guide/the-interface/index.njk
index 72eb87b..1513412 100644
--- a/user-guide/the-interface/index.njk
+++ b/user-guide/the-interface/index.njk
@@ -122,7 +122,7 @@ title: 02· The interface
 </p>
 
 <ol>
-  <li><strong>Pages selector:</strong> Navigate through the pages of a file. If is a shareable link this can be configured.</li>
+  <li><strong>Pages selector:</strong> Navigate through the pages of a file. If the page is a shareable link this can be configured.</li>
   <li><strong>Boards selector:</strong> Frames selector displays a list of the boards with thumbnails that provide a graphic overview of the file.</li>
   <li><strong>Boards counter:</strong> Boards count and current position. </li>
   <li><strong>Play mode:</strong> Default presentation mode where you can also play with interactions.</li>