Added disclaimer on hardware and costs.

ralph-lange · ralph-lange · commit b0e5b68f7aea · 2020-07-01T16:37:04.000+02:00
Signed-off-by: Ralph Lange &lt;ralph.lange@de.bosch.com&gt;
diff --git a/_docs/tutorials/demos/overview/index.md b/_docs/tutorials/demos/overview/index.md
@@ -12,6 +12,11 @@ Choose yourself:
 |              | [**Kobuki Demo**](../kobuki_demo) | [**Crazyflie Demo**](../crazyflie_demo) | [**ToF Sensor Demo**](../tof_demo) |
 | --- | :-: | :-: | :-: |
 | _RTOS_       | NuttX                             | FreeRTOS                                | Zephyr                             |
-| _Hardware_   | Kobuki, Olimex LTD STM32-E407     | Crazyflie, radio, flow deck             | ST B-L475E-IOT01A Discovery kit    |
-| _HW Costs_   | ≈ 360$                            | ≈ 330$                                  | ≈ 60$                              |
+| _Hardware\*_ | Kobuki, Olimex LTD STM32-E407     | Crazyflie, radio, flow deck             | ST B-L475E-IOT01A Discovery kit    |
+| _HW Costs\*_ | ≈ 360$                            | ≈ 330$                                  | ≈ 60$                              |
 |              | <img src="kobuki.png" style="margin:auto;"/> | <img src="crazyflie.png" style="margin:auto;"/> |                 |
+
+<div style="font-size:80%;color:gray;text-align:right;">*As a matter of course, you'll need a computer/laptop, various cables,<br/>and further auxiliary equipment. The hardware costs are only<br/>a rough estimate and may depend on where you live.</div>
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