Apply suggestion from @benface

Author: benface

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

@@ -241,7 +241,7 @@ Horizon is the next-generation Graph protocol with updated smart contracts and a
 
 #### Step 1: Obtain Horizon Contract Addresses
 
-You need two new addresses for Horizon (check [The Graph documentation](https://thegraph.com/docs/en/tap/#blockchain-addresses) for current values):
+You need two new addresses for Horizon (check [The Graph documentation](#blockchain-addresses) for current values):
 
 | Contract                       | Purpose                                               |
 | ------------------------------ | ----------------------------------------------------- |