Update contact.md

docs/open-asset-model/contact.md

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 # :simple-owasp: Contact Assets 
 
-**Contact Assets**—comprising `Email`, `Location`, and `Phone` properties—are essential components of comprehensive **Attack Surface Intelligence**. By organizing contact details with uncovered attributes and relationships, the [Open Asset Model](#) reveals connections across diverse resources, supporting a holistic understanding of the asset landscape.
+**Contact Assets**—comprising `Email`, `Location`, and `Phone` properties—are essential components of comprehensive **Attack Surface Intelligence**. By organizing contact details with uncovered attributes and relationships, the [Open Asset Model](https://github.com/owasp-amass/open-asset-model) reveals connections across diverse resources, supporting a holistic understanding of the asset landscape.
 
 
 Mirroring the adversary's perspective, this structure traces discovery paths, contextualizes insights at each contact point, and identifies exposures to strengthen situational awareness.