fix link

Author: ray6080

src/content/docs/extensions/index.mdx

@@ -14,7 +14,7 @@ If you've upgraded to the latest version v0.11.3, Kuzu has pre-installed and pre
 You do not need to manually INSTALL or LOAD these extensions.
 
 For Kuzu version before v0.11.3, or to install extensions that haven't been pre-installed, you'd have to set up a local extension server.
-The instructions of setting up a local extension server can be found [here](extensions#host-your-own-extension-server).
+The instructions of setting up a local extension server can be found [here](/extensions#host-your-own-extension-server).
 :::
 
 ## Available extensions
@@ -59,7 +59,7 @@ In the latest version v0.11.3 Kuzu has pre-installed four commonly used extensio
 You do not need to manually INSTALL these extensions.
 :::
 
-Official extensions can be installed from a [local extension server](extensions#host-your-own-extension-server) by running the `INSTALL` command.
+Official extensions can be installed from a [local extension server](/extensions#host-your-own-extension-server) by running the `INSTALL` command.
 
 ```cypher
 INSTALL <EXTENSION_NAME> FROM 'http://localhost:8080/';