Update prerequisites.mdx

Author: CelloSerenity

docs/installation/prerequisites.mdx

@@ -15,7 +15,7 @@ To install SideStore, you will need:
 - An Apple ID
 - The StosVPN app (see below)
 - A Wi-Fi connection
-- Some time (This is a quick process, but you should [leave time for troubleshooting](/docs/troubleshooting/))
+- Some time (This is a quick process, but you should [leave time for troubleshooting](/docs/troubleshooting/troubleshooting))
 
 ## StosVPN