Fixed a typo in description.

Author: excitoon

README.md

@@ -1,6 +1,6 @@
 ## `django_threaded_sync_to_async`
 
-Tools for replacing `sync_to_async` calls to `sync_to_async(thread_sensitive=None, executor=...)`, effectively allowing Django to make calls to database concurrently.
+Tools for replacing `sync_to_async` calls to `sync_to_async(thread_sensitive=False, executor=...)`, effectively allowing Django to make calls to database concurrently.
 
 ```
 pip3 install django_threaded_sync_to_async

setup.py

@@ -9,7 +9,7 @@
         setuptools.setup(
             name="django_threaded_sync_to_async",
             version="1.0.1",
-            description="Tools for replacing `sync_to_async` calls to `sync_to_async(thread_sensitive=None, executor=...)`, effectively allowing Django to make calls to database concurrently",
+            description="Tools for replacing `sync_to_async` calls to `sync_to_async(thread_sensitive=False, executor=...)`, effectively allowing Django to make calls to database concurrently",
             long_description=readme.read(),
             long_description_content_type="text/markdown",
             author="Vladimir Chebotarev",