Updated the link to elf2rel.exe in the readme

Author: Zephiles

README.md

@@ -12,7 +12,7 @@ The latest release can be found on the [releases page](https://github.com/Zephil
 See the [user manual](https://github.com/Zephiles/TTYD-Practice-Codes/blob/master/USER_MANUAL.md).
 
 ## Prerequisites
-To build this, you need to have devkitPPC installed. Instructions for doing so can be found [here](https://devkitpro.org/wiki/Getting_Started). You also need to place **elf2rel.exe** in the **bin** folder. This file can either be compiled manually, or downloaded from [here](https://github.com/PistonMiner/ttyd-tools/releases/download/v2.4/elf2rel.exe).
+To build this, you need to have devkitPPC installed. Instructions for doing so can be found [here](https://devkitpro.org/wiki/Getting_Started). You also need to place **elf2rel.exe** in the **bin** folder. This file can either be compiled manually, or downloaded from [here](https://github.com/PistonMiner/ttyd-tools/releases/download/v2.5/elf2rel.exe).
 
 ## Building
 To build, navigate to the root directory of the repository (the folder with the makefile in it) and run `make`. Any combination of rules can be applied to this.