Fix supervisor issue and README spelling

doorcontrol/README.md

@@ -38,7 +38,7 @@ Create a file named /etc/supervisor/conf.d/pushcards.conf and add:
 [program:pushcards]
 user=pi
 directory=/home/pi/pslockout/doorcontrol
-command=source env/bin/activate && python pushcards.py
+command=/bin/bash -c 'source env/bin/activate && python pushcards.py'
 autostart=true
 autorestart=true
 stderr_logfile=/var/log/pushcards.log
@@ -57,7 +57,7 @@ $ cp settings.json.example settings.json
 $ vim settings.json
 ```
 
-You can find your auth token by requsting with `curl`:
+You can find your auth token by requesting it with `curl`:
 
 ```
 $ curl -d username=tanner.collin -d password=supersecret http://tools-auth.protospace.ca/login/
@@ -69,7 +69,7 @@ $ curl -d username=tanner.collin -d password=supersecret http://tools-auth.proto
 
 ### Launch
 
-Reload supervisor and start pushcards:
+Reload supervisor to start pushcards:
 
 ```
 $ sudo supervisorctl reread