style: fix typos and remove trailing spaces

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/argrento/huami-token.svg?branch=master)](https://travis-ci.org/argrento/huami-token)
 
-Script to obtain watch or band bluetooth acess token from Huami servers. 
+Script to obtain watch or band bluetooth access token from Huami servers.
 It will also download AGPS data packs `cep_alm_pak.zip` and `cep_7days.zip`.
 
 ### Important
@@ -50,7 +50,7 @@ optional arguments:
 
 
 ## Logging in with Amazfit account
-Run script with your cridentials: `python huami_token.py --method amazfit --email youemail@example.com --password your_password --bt_keys`.
+Run script with your credentials: `python huami_token.py --method amazfit --email youemail@example.com --password your_password --bt_keys`.
 
 Sample output:
 ```bash