diff --git a/en/hardware-overview.md b/en/hardware-overview.md
index c7e26d29a79a815cb0a9bfee306f57973b90ef36..6420c3d962b9efe5ba4767fe0d63c481eff257a0 100644
--- a/en/hardware-overview.md
+++ b/en/hardware-overview.md
@@ -12,12 +12,12 @@ The Fundamental Board is located just above the wristband; above it come the bat
 
 Several interfaces for [interhacktions](/en/interhacktions) are included on the Fundamental Board. The travelers can be alerted to an event using the vibration motor. Screws through the ECG contacts are used both for attaching the wristband and for making contact with your skin for ECG measurements. Besides its use for interhacktions, the [USB-C](/en/usbc) connector is also used for charging the battery and for updating the firmware.
 
-A PDF version of the Fundamental Board is available [here](https://git.card10.badge.events.ccc.de/card10/hardware/blob/master/boards/Fundamental-Board/Fundamental-Board.pdf)
+A PDF version of the schematic of the Fundamental Board is available [here](https://git.card10.badge.events.ccc.de/card10/hardware/blob/master/boards/Fundamental-Board/Fundamental-Board.pdf)
 
 ![landmarks](/media/landmarks.png)
 
 ## Harmonic Board
 
-The harmonic board sits on top of the Fundamental Board. It contains most of the user interface and a few sensors.
+The Harmonic Board sits on top of the Fundamental Board. It contains most of the user interface and a few sensors.
 
-A PDF version of the Hundamental Board is available [here](https://git.card10.badge.events.ccc.de/card10/hardware/blob/master/boards/Harmonic-Board/Harmonic-Board.pdf)
+A PDF version of the schematic of the Harmonic Board is available [here](https://git.card10.badge.events.ccc.de/card10/hardware/blob/master/boards/Harmonic-Board/Harmonic-Board.pdf)