typo fix

Author: kuso-senpai

README.md

@@ -18,12 +18,12 @@ At first, you need a `discord.ext.commands.Bot` client
 
 ```py
 import discord
-from disicord.ext import commands
+from discord.ext import commands
 
 client = commands.Bot()
 ```
 
-To initialize the Button extension, you need to import the `Buttons` class
+To initialize the button extension, you need to import the `Buttons` class
 
 ```py
 from discord_py_buttons import Buttons

setup.py

@@ -19,7 +19,7 @@ def getReadme():
     long_description_content_type="text/markdown",
     url="https://github.com/KusoRedsto/discord_py_buttons",
     packages=setuptools.find_packages(),
-    python_requires='>=3.6',
+    python_requires='>=3.9',
     classifiers=[
         "Programming Language :: Python :: 3"
     ]