Update README.md

Author: xtekky

gpt4free/README.md

@@ -2,7 +2,7 @@
 
 ### What is it?
 
-gpt4free is a python package that provides the access to gpt models like ChatGPT and gpt-4 models.
+gpt4free is a python package that provides some language model api's
 
 ### Main Features
 
@@ -113,4 +113,4 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
-```
+```