docs: Update chroma docs link for collection reference (#22472)

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- [x] **PR message**: 
- **Description:** Updated dead link referencing chroma docs in Chroma
notebook under vectorstores

docs/docs/integrations/vectorstores/chroma.ipynb

@@ -30,7 +30,7 @@
     "- `.peek`\n",
     "- and `.query` runs the similarity search.\n",
     "\n",
-    "View full docs at [docs](https://docs.trychroma.com/reference/Collection). To access these methods directly, you can do `._collection.method()`\n"
+    "View full docs at [docs](https://docs.trychroma.com/reference/py-collection). To access these methods directly, you can do `._collection.method()`\n"
    ]
   },
   {