Update website/pages/en/quick-start.mdx

Co-authored-by: Benoît Rouleau <[email protected]>

Author: idalithb

website/pages/en/quick-start.mdx

@@ -181,6 +181,6 @@ To save on gas costs, you can curate your subgraph in the same transaction you p
 
 ### 8. Query your subgraph
 
-Now, you can query your subgraph by sending GraphQL queries to it's Query URL, which you can find by clicking the Query button.
+Now, you can query your subgraph by sending GraphQL queries to its Query URL, which you can find by clicking the Query button.
 
 For more information about querying data from your subgraph, read [Querying The Graph](/querying/querying-the-graph/).