more typo fixes

README.md

@@ -18,4 +18,4 @@ approved scripts are placed in /envs/bin and listed with `envs list`
 
 submissions use sendmail to notify an admin.
 
-admins can use `sudo launcher approve` and `sudo launcher revoke <script_name>`.
+admins can use `sudo envs approve` and `sudo envs revoke <script_name>`.

envs

@@ -144,7 +144,7 @@ $2
 you'll find the script and description in: /envs/pending-submissions/$USER/$1
 
 run this to see the approval queue:
-sudo launcher approve
+sudo envs approve
 _EOF_
 }