Update getting-started.md

docs/en/game/getting-started.md

@@ -143,6 +143,7 @@ Note that this assumes you put the launcher's binary you compiled earlier into `
 
 If you already built the launcher and want to update it, enter the BeamMP-Launcher folder where the build process happened and run these:
 ```bash
+cd BeamMP-Launcher
 git fetch --tags
 git checkout 2.x.x
 cmake . -B bin -DCMAKE_TOOLCHAIN_FILE=$VCPKG_ROOT/scripts/buildsystems/vcpkg.cmake -DVCPKG_TARGET_TRIPLET=x64-linux