Update update-instructions.md

Author: Madis0

update-instructions.md

@@ -47,7 +47,7 @@ If you added or removed some mods:
 
 ### Modrinth App
 
-1. Select existing FO instance
+1. Select existing Fabulously Optimized instance
 2. Click `⤓ Update modpack` on top right (Below `▶️ Play` and `+ Install content`)
 3. Select the version you want and click `⇆`.
 
@@ -67,7 +67,7 @@ If you added or removed some mods:
 
 ### Prism Launcher
 
-1. Select existing FO instance
+1. Select existing Fabulously Optimized instance
 2. Click `Edit` on the sidebar
 3. Select `Modrinth` on the tab list
 4. Click `Update pack`