Further minor language tweaks on README.

README.md

@@ -79,13 +79,13 @@ include the site owner's contact info, as given with the `--info` flag.
 Feed owners may add e-mail addresses to their login data to authenticate
 themselves to the site operator and receive password reset links when requested.
 The password reset mechanism by mail is inactive by default. To activate it, a
-set of flags `--mailserver`, `--mailport`, `--mailuser` must be provided to
-describe a SMTP server and its login from which to send password reset mails to
-users' mail addresses. (The site operator will be prompted for his SMTP login
-password on program start.) Whether this mechanism is trustworthy or not is a
-decision up to the site operator.
+set of flags `--mailserver`, `--mailport`, `--mailuser` must be set to describe
+a SMTP server and its login from which to send password reset mails to users'
+mail addresses. (The site operator will be prompted for his SMTP login password
+on program start.) Whether this mechanism is trustworthy or not is a decision up
+to the site operator.
 
-### Changing HTML templates
+### Change HTML templates
 
 By default, HTML templates are read out of `$GOPATH/src/htwtxt/templates/`. An
 alternate directory can be given with the flag `--templates` (it should contain