Fixing README.md

README.md

+This repository contains the benchmarks in UFLRA logic..
+
+To clone this repository on your computer, use the git command:
+
+git clone https://clc-gitlab.cs.uiowa.edu:2443/SMT-LIB-benchmarks/UFLRA.git
+
+All benchmarks are licensed under a Creative Commons Attribution 4.0 International License: https://creativecommons.org/licenses/by/4.0/legalcode.
+
+PLEASE do not use the download button on the top right, since it stresses our server for large repositories.