Update src/content/docs/ai-gateway/features/dynamic-routing/json-configuration.mdx

Co-authored-by: Jun Lee <[email protected]>

Author: palashgo

src/content/docs/ai-gateway/features/dynamic-routing/json-configuration.mdx

@@ -95,7 +95,7 @@ Apply limits based on request metadata. Supports both count-based and cost-based
 **Properties**:
 
 - `limitType`: "count" or "cost"
-- `key`: Request field to use for rate limiting (e.g., "metadata.user_id")
+- `key`: Request field to use for rate limiting (e.g. "metadata.user_id")
 - `limit`: Maximum allowed requests/cost
 - `interval`: Time window in seconds
 - `technique`: "sliding" or "fixed" window