Improve Readability (redis#2206)

Signed-off-by: Ryan Russell <git@ryanrussell.org>

README.md

@@ -15,7 +15,7 @@ The Python interface to the Redis key-value store.
 
 ## Python Notice
 
-redis-py 4.2.x will be the last generation of redis-py to support python 3.6 as it has been [End of Life'd](https://www.python.org/dev/peps/pep-0494/#schedule-last-security-only-release).  Async support was introduced in redis-py 4.2.x thanks to [aioredis](https://github.com/aio-libs/aioredis-py), which necessitates this change. We will continue to maintain 3.6 support as long as possible - but the plan is for redis-py version 5+ to offically remove 3.6.
+redis-py 4.2.x will be the last generation of redis-py to support python 3.6 as it has been [End of Life'd](https://www.python.org/dev/peps/pep-0494/#schedule-last-security-only-release).  Async support was introduced in redis-py 4.2.x thanks to [aioredis](https://github.com/aio-libs/aioredis-py), which necessitates this change. We will continue to maintain 3.6 support as long as possible - but the plan is for redis-py version 5+ to officially remove 3.6.
 
 ---------------------------
 
@@ -76,7 +76,7 @@ can specify *decode_responses=True* in
 returns a string type will be decoded with the encoding
 specified.
 
-The default encoding is utf-8, but this can be customized by specifiying the
+The default encoding is utf-8, but this can be customized by specifying the
 encoding argument for the redis.Redis class.
 The encoding will be used to automatically encode any
 strings passed to commands, such as key names and values.