Update embedded_devices example (#2526)

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Co-authored-by: Taner Topal <[email protected]>

doc/source/ref-changelog.md

@@ -28,7 +28,7 @@
 
   - FedMeta [#2438](https://github.com/adap/flower/pull/2438)
 
-- **Update Flower Examples** ([#2384](https://github.com/adap/flower/pull/2384)), ([#2425](https://github.com/adap/flower/pull/2425))
+- **Update Flower Examples** ([#2384](https://github.com/adap/flower/pull/2384),[#2425](https://github.com/adap/flower/pull/2425), [#2526](https://github.com/adap/flower/pull/2526))
 
 - **General updates to baselines** ([#2301](https://github.com/adap/flower/pull/2301), [#2305](https://github.com/adap/flower/pull/2305), [#2307](https://github.com/adap/flower/pull/2307), [#2327](https://github.com/adap/flower/pull/2327), [#2435](https://github.com/adap/flower/pull/2435))
 

examples/embedded-devices/README.md

@@ -12,7 +12,7 @@ This tutorial allows for a variety of settings (some shown in the diagrams above
 
 - For Flower server: A machine running Linux/macOS/Windows (e.g. your laptop). You can run the server on an embedded device too!
 - For Flower clients (one or more): Raspberry Pi 4 (or Zero 2), or an NVIDIA Jetson Xavier-NX (or Nano), or anything similar to these.
-- A uSD card with 32GB or more.
+- A uSD card with 32GB or more. While 32GB is enough for the RPi, a larger 64GB uSD card works best for the NVIDIA Jetson.
 - Software to flash the images to a uSD card:
   - For Raspberry Pi we recommend the [Raspberry Pi Imager](https://www.raspberrypi.com/software/)
   - For other devices [balenaEtcher](https://www.balena.io/etcher/) it's a great option.