diff --git a/documentation/md/extensions.md b/documentation/md/extensions.md
index d038982e0..da872880d 100644
--- a/documentation/md/extensions.md
+++ b/documentation/md/extensions.md
@@ -88,6 +88,7 @@ A physics simulation layout that makes use of parallelism on the GPU to support
  * <i class="fa fa-fw fa-users"></i> [`dblclick`](https://github.com/lambdalisue/cytoscape-dblclick) : Adds a `dblclick` event to Cytoscape.js.
  * <i class="fa fa-fw fa-user"></i> [`graphml`](https://github.com/iVis-at-Bilkent/cytoscape.js-graphml) : Adds GraphML import and export functionality to Cytoscape.js.
  * <i class="fa fa-fw fa-user"></i> [`layout-utilities`](https://github.com/iVis-at-Bilkent/cytoscape.js-layout-utilities) : Provides miscellenaous layout utilities in order to manage the placement of nodes or components without layout information.
+ * <i class="fa fa-fw fa-user"></i> [`pdf-export`](https://github.com/cytoscape/cytoscape.js-pdf-export) : PDF exporter.
  * <i class="fa fa-fw fa-user"></i> [`undo-redo`](https://github.com/iVis-at-Bilkent/cytoscape.js-undo-redo) : Adds undo-redo APIs to Cytoscape.js.
  * <i class="fa fa-fw fa-user"></i> [`view-utilities`](https://github.com/iVis-at-Bilkent/cytoscape.js-view-utilities) : Adds search and highlight APIs to Cytoscape.js.