Fix the FAQ link (#235)

Signed-off-by: Mruczek <[email protected]>

markdown/wiki/index.md

@@ -2,6 +2,6 @@
 # Welcome to the PojavLauncher Wiki!
 ____
 * Get started by [installing Pojavlauncher](./getting_started/INSTALL)!
-* Got a question? Check out our [FAQ](./faq/RPWORLDNOTSHOWINGUP)!
+* Got a question? Check out our [FAQ](./faq/INSTALLATIONOFMODSRPWORLDS)!
 * Wanna contribute to the project? [Look here](../contribute/CONT-WEBSITE.md)