Update product/ai-gateway/cache-simple-and-semantic.mdx

Co-Authored-By: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

Author: mintlify[bot]

product/ai-gateway/cache-simple-and-semantic.mdx

@@ -4,7 +4,7 @@ title: "Cache (Simple & Semantic)"
 
 <Info>
 **Simple** caching is available for all plans.<br />
-**Semantic** caching is available for [**Production**](https://portkey.ai/pricing) and [**Enterprise**](https://portkey.ai/docs/product/enterprise-offering) users.
+**Semantic** caching requires a vector database and is only available on select Enterprise plans. [Contact us](https://portkey.ai/docs/support/contact-us) to learn more about enabling this feature.
 </Info>
 
 Speed up and save money on your LLM requests by storing past responses in the Portkey cache. There are 2 cache modes: