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README.md

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 wis2-gdc is a Reference Implementation of a WIS2 Global Discovery Catalogue.
 
-<em>Note: architecture diagrams referenced from the <a href="https://github.com/wmo-im/wis2-guide">WIS2 Guide</a></em>
-
-<a href="https://github.com/wmo-im/wis2-guide/blob/main/guide/images/architecture/c4.component-gdc.png"><img alt="WIS2 GDC C4 component diagram" src="https://github.com/wmo-im/wis2-guide/raw/main/guide/images/architecture/c4.component-gdc.png" width="800"/></a>
+<a href="docs/architecture/c4.container.png"><img alt="WIS2 GDC C4 component diagram" src="docs/architecture/c4.container.png" width="800"/></a>
 
 ## Workflow