Update website/src/pages/en/indexing/overview.mdx

Co-authored-by: Benoît Rouleau <benoit.rouleau@icloud.com>

Author: cargopete

website/src/pages/en/indexing/overview.mdx

@@ -3,7 +3,7 @@ title: Indexing Overview
 sidebarTitle: Overview
 ---
 
-> **Graph Horizon is live.** The protocol upgrade changes how allocations, rewards, and delegation work. See the dedicated [Graph Horizon section](/en/graph-horizon/overview/) for a full overview of what changed, and the [migration guide](/en/graph-horizon/migration-guide/) for indexer setup instructions.
+> **Graph Horizon is live.** The protocol upgrade changes how allocations, rewards, and delegation work. See the dedicated [Graph Horizon section](/graph-horizon/overview/) for a full overview of what changed, and the [migration guide](/graph-horizon/migration-guide/) for indexer setup instructions.
 
 Indexers are node operators in The Graph Network that stake Graph Tokens (GRT) in order to provide indexing and query processing services. Indexers earn query fees and indexing rewards for their services. They also earn query fees that are rebated according to an exponential rebate function.