Merge branch 'fix-passwords-typos' into 'master'

Fix typos.

See merge request !118

docs/services/passwords.md

@@ -84,8 +84,8 @@ The following gives an overview of the technologies the Password app is built on
 
 The following gives an overview of how the Password app is deployed and maintained.
 
-## Taking a host out of sevice
-Hosts can be taken out of service by creating a file `/maintenance_mode` which causes the monitor script to return a http 500 response code, which in turn causes the Traffic Manager to direct traffic elsewhere.
+## Taking a host out of service
+Hosts can be taken out of service by creating a file `/maintenance_mode` which causes the monitor script to return an http 500 response code, which in turn causes the Traffic Manager to direct traffic elsewhere.
 
 ### Deploying a new release