Update tutorials.txt link

Author: Moneyl

README.md

@@ -54,7 +54,7 @@ Nanoforge is a modding tool for the game Red Faction Guerilla. Its goals are to
 ## Tutorials
 - Useful tutorials such as transferring assets, adding new map files and other advanced uses of the current Nanoforge version will be added here. This is a stopgap measure and we'll move to the wiki for the rewrite.
 
-[Tutorials](https://github.com/Moneyl/Nanoforge/blob/current/TUTORIALS.txt)
+[Tutorials](https://github.com/Moneyl/Nanoforge/blob/master/TUTORIALS.txt)
 
 ## Screenshots
 Nanoforge can view and export RFG meshes as obj files.