doc: update documentation.

Signed-off-by: Zelin Cai <[email protected]>

README.md

@@ -4,7 +4,7 @@
 [![Zephyr Samples](https://github.com/makerdiary/imxrt1011-nanokit/actions/workflows/twister-samples.yml/badge.svg?branch=main)](https://wiki.makerdiary.com/imxrt1011-nanokit/guides/zephyr/samples/)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?color=informational)](/.github/CONTRIBUTING.md)
 
-> Rapid prototyping with high-performance processing designed around NXP's iMX RT1011 Crossover MCU
+> High-performance microcontroller board operating up to 500MHz, built around NXP iMX RT1011
 
 ## Introduction
 
@@ -60,6 +60,14 @@ We offer an extensive set of documentation, including getting started and develo
 * [iMX RT011 Nano Kit Schematic Rev.A][schematic]
 * [iMX RT011 Nano Kit 3D Model Rev.A][3d-model]
 
+## Where to buy
+
+iMX RT1011 Nano Kit is available on the following channels (click to go directly to the product):
+
+<a href="https://makerdiary.com/products/imxrt1011-nanokit"><img alt="makerdiary store" display="inline" src="./docs/assets/images/makerdiary-store.png" width="260"></a>
+<a href="https://zaowubang.taobao.com"><img alt="Taobao" display="inline" src="./docs/assets/images/taobao-store.png" width="143"></a>
+<a href="https://www.tindie.com/products/makerdiary/imx-rt1011-nano-kit/"><img alt="Tindie" display="inline" src="./docs/assets/images/tindie-store.png" width="128"></a>
+
 ## Community Support
 
 Community support is provided via [GitHub Discussions][discussions]. We would love to have more developers contribute to this project! If you're passionate about making this project better, see our [Contributing Guidelines][contributing] for more information.

docs/introduction.md

@@ -1,4 +1,4 @@
-# iMX RT1011 Nano Kit<br/><small>Rapid prototyping with high-performance processing designed around NXP's iMX RT1011 Crossover MCU</small>
+# iMX RT1011 Nano Kit<br/><small>High-performance microcontroller board operating up to 500MHz, built around NXP iMX RT1011</small>
 
 ## Introduction
 
@@ -43,6 +43,6 @@ The following figure illustrates the iMX RT1011 Nano Kit hardware diagram. The d
 
 |Part                                                |Quantity |
 |----------------------------------------------------|---------|
-|iMX RT1011 Nano Kit                                 |1        |
+|iMX RT1011 Nano Kit board                           |1        |
 |20 Pin 2.54mm THT Pin Header(Loose or Pre-soldered) |2        |
 

docs/purchase.md

@@ -5,7 +5,7 @@
 iMX RT1011 Nano Kit is available on the following channels (click to go directly to the product):
 
 [![makerdiary store](assets/images/makerdiary-store.png){ width='260' display='inline' }](https://makerdiary.com/products/imxrt1011-nanokit)
-[![Taobao](assets/images/taobao-store.png){ width='143' display='inline' }](https://item.taobao.com/item.htm?spm=a1z10.5-c.w4002-2992523837.11.2df3715as0Kydn&id=725739500435)
+[![Taobao](assets/images/taobao-store.png){ width='143' display='inline' }](https://zaowubang.taobao.com/)
 [![Tindie](assets/images/tindie-store.png){ width='128' display='inline' }](https://www.tindie.com/products/makerdiary/imxrt1011-nanokit/)