edited links (#5605)

docs/general/builders-program.md

@@ -61,18 +61,18 @@ There are three tracks builders can take for the program.
 
 ### Chains track
 
-This track supports builders who are building application-specific chains, which include [parachains](https://wiki.polkadot.network/docs/learn-parachains-index),
-parathreads and independent chains too.
+This track supports builders who are building application-specific chains, which include
+[parachains](./learn-parachains-index), parathreads and independent chains too.
 
 ### Infrastructure track
 
 This track supports builders who are building ecosystem-based infrastructure, which may be in the
-form of tooling, UI, middleware, [bridges](https://wiki.polkadot.network/docs/learn-bridges), and more.
+form of tooling, UI, middleware, [bridges](../learn/learn-bridges.md), and more.
 
 ### Application track
 
 This track supports builders who are building on top of Substrate-based chains.
 
 Check out the official
 [Substrate Builders Program](https://substrate.io/ecosystem/substrate-builders-program/) site for
-more information and steps on how to apply.
+more information and steps on how to apply.