Update src/content/docs/kv/api/read-key-value-pairs.mdx

Author: thomasgauvin

src/content/docs/kv/api/read-key-value-pairs.mdx

@@ -92,7 +92,7 @@ Metadata is a serializable value you append to each KV entry.
   - Optional. The type of the value to be returned. `text` is the default.
 - `options`: `{
     cacheTtl?: number,
-    type: "text" | "json" | "arrayBuffer" | "stream"
+    type?: "text" | "json" | "arrayBuffer" | "stream"
 }`
   - Optional. Object containing the `cacheTtl` and `type` properties. The optional `cacheTtl` property defines the length of time in seconds that a KV result is cached in the global network location it is accessed from (minimum: 60). The `type` property defines the type of the value to be returned.