diff --git a/_Sidebar.md b/_Sidebar.md
index 71ea38c..f982c5e 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -11,7 +11,8 @@
 * [Firmware update procedure](Update-firmware)
   * [Updating the Xilinx CPLD on hackrf board](Updating-the-Xilinx-CPLD-on-hackrf-board)
 * [Description of the hardware](Hardware-overview)
-  * [3d printed enclosure](H2-Enclosure)
+  * Enclosure/cases
+     * [3d printed enclosure](H2-Enclosure)
   * [Internal speaker](Internal-speaker)
   * [SMD buttons and caps](Push-buttons-and-button-caps)
   * [Encoder knob](Encoder)