Update docs links (#23966)

* Update betas.md

* Update labs.md

docs/betas.md

@@ -4,7 +4,7 @@ Beta features are features that are not ready for production yet but the team
 wants more people to try the features and give feedback on them.
 
 Before a feature gets into its beta phase, it is often a labs feature (see
-[Labs](https://github.com/matrix-org/matrix-react-sdk/blob/develop/docs/labs.md)).
+[Labs](https://github.com/vector-im/element-web/blob/develop/docs/labs.md)).
 
 **Be warned! Beta features may not be completely finalised or stable!**
 

docs/labs.md

@@ -5,7 +5,7 @@ to `Settings->Labs`. This list is non-exhaustive and subject to change, chat in
 [#element-web:matrix.org](https://matrix.to/#/#element-web:matrix.org) for more information.
 
 If a labs features gets more stable, it _may_ be promoted to a beta feature
-(see [Betas](https://github.com/matrix-org/matrix-react-sdk/blob/develop/docs/betas.md)).
+(see [Betas](https://github.com/vector-im/element-web/blob/develop/docs/betas.md)).
 
 **Be warned! Labs features are not finalised, they may be fragile, they may change, they may be
 dropped. Ask in the room if you are unclear about any details here.**