diff --git a/docs/data/horizon/api-reference/aggregations/order-books/README.mdx b/docs/data/horizon/api-reference/aggregations/order-books/README.mdx
index 51d4cba6e..0cd3ea18a 100644
--- a/docs/data/horizon/api-reference/aggregations/order-books/README.mdx
+++ b/docs/data/horizon/api-reference/aggregations/order-books/README.mdx
@@ -5,7 +5,7 @@ sidebar_position: 10
 
 import { EndpointsTable } from "@site/src/components/EndpointsTable";
 
-An order book is a collections of offers for a specific pair of assets.
+An order book is a collection of offers for a specific pair of assets.
 
 Learn more about [order books](../../../../../learn/glossary.mdx#decentralized-exchange).