Clarify subreddit language on the submit form.

r2/r2/controllers/errors.py

@@ -56,7 +56,7 @@ error_list = dict((
         ('SUBREDDIT_EXISTS', _('that reddit already exists')),
         ('SUBREDDIT_NOEXIST', _('that reddit doesn\'t exist')),
         ('SUBREDDIT_NOTALLOWED', _("you aren't allowed to post there.")),
-        ('SUBREDDIT_REQUIRED', _('you must specify a reddit')),
+        ('SUBREDDIT_REQUIRED', _('you must specify a subreddit')),
         ('BAD_SR_NAME', _('that name isn\'t going to work')),
         ('RATELIMIT', _('you are doing that too much. try again in %(time)s.')),
         ('EXPIRED', _('your session has expired')),

r2/r2/templates/newlink.html

@@ -91,7 +91,7 @@ ${thing.formtabs_menu}
 %endif
 
 <div class="spacer">
-  <%utils:round_field title="${_('reddit')}" id="reddit-field">
+  <%utils:round_field title="${_('choose a subreddit')}" id="reddit-field">
     ${reddit_selector(thing.default_sr, thing.sr_searches, thing.subreddits)}
   </%utils:round_field>
 </div>