Update setup.py

Author: ahmedfgad

setup.py

@@ -9,7 +9,7 @@
     author="Ahmed Fawzy Gad",
     install_requires=["numpy", "matplotlib", "cloudpickle",],
     author_email="ahmed.f.gad@gmail.com",  
-    description="PyGAD: A Python 3 Library for Building the Genetic Algorithm and Training Machine Learning Algoithms (Keras & PyTorch).",
+    description="PyGAD: A Python Library for Building the Genetic Algorithm and Training Machine Learning Algoithms (Keras & PyTorch).",
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/ahmedfgad/GeneticAlgorithmPython",