diff --git a/r2/r2/controllers/api.py b/r2/r2/controllers/api.py
index 2d40df705..13d83389b 100755
--- a/r2/r2/controllers/api.py
+++ b/r2/r2/controllers/api.py
@@ -375,7 +375,7 @@ class ApiController(RedditController, OAuth2ResourceController):
                               rate_user = True,
                               prefix = 'fetchtitle_'),
                    VUser(),
-                   url = VSanitizedUrl(['url']))
+                   url = VSanitizedUrl('url'))
     def POST_fetch_title(self, form, jquery, url):
         if form.has_errors('ratelimit', errors.RATELIMIT):
             form.set_html(".title-status", "");
@@ -2824,16 +2824,19 @@ class ApiController(RedditController, OAuth2ResourceController):
     @noresponse(VUser(),
                 VModhash(),
                 client=VOAuth2ClientID())
+    @api_doc(api_section.apps)
     def POST_revokeapp(self, client):
         if client:
             client.revoke(c.user)
 
     @validatedForm(VUser(),
                    VModhash(),
-                   name=VRequired('name', errors.NO_TEXT),
+                   name=VRequired('name', errors.NO_TEXT,
+                                  docs=dict(name=_("a name for the app"))),
                    about_url=VSanitizedUrl('about_url'),
                    icon_url=VSanitizedUrl('icon_url'),
                    redirect_uri=VUrl('redirect_uri', allow_self=False))
+    @api_doc(api_section.apps)
     def POST_updateapp(self, form, jquery, name, about_url, icon_url, redirect_uri):
         if (form.has_errors('name', errors.NO_TEXT) |
             form.has_errors('redirect_uri', errors.BAD_URL, errors.NO_URL)):
@@ -2877,6 +2880,7 @@ class ApiController(RedditController, OAuth2ResourceController):
                    VModhash(),
                    client=VOAuth2ClientDeveloper(),
                    account=VExistingUnameNotSelf('name'))
+    @api_doc(api_section.apps)
     def POST_adddeveloper(self, form, jquery, client, account):
         if not client:
             form.set_html('.status', _('error'))
@@ -2894,6 +2898,7 @@ class ApiController(RedditController, OAuth2ResourceController):
                    VModhash(),
                    client=VOAuth2ClientDeveloper(),
                    account=VExistingUnameNotSelf('name'))
+    @api_doc(api_section.apps)
     def POST_removedeveloper(self, form, jquery, client, account):
         if client and account and not form.has_errors('name'):
             g.log.debug('removing developer: %s', account.name)
@@ -2903,6 +2908,7 @@ class ApiController(RedditController, OAuth2ResourceController):
     @noresponse(VUser(),
                 VModhash(),
                 client=VOAuth2ClientDeveloper())
+    @api_doc(api_section.apps)
     def POST_deleteapp(self, client):
         if client:
             client.deleted = True
@@ -2911,7 +2917,9 @@ class ApiController(RedditController, OAuth2ResourceController):
     @validatedForm(VUser(),
                    VModhash(),
                    client=VOAuth2ClientDeveloper(),
-                   icon_file=VLength('file', max_length=1024*32))
+                   icon_file=VLength('file', max_length=1024*32,
+                                     docs=dict(file=_("an icon (72x72)"))))
+    @api_doc(api_section.apps)
     def POST_setappicon(self, form, jquery, client, icon_file):
         if client and icon_file:
             filename = 'icon-%s' % client._id
diff --git a/r2/r2/controllers/api_docs.py b/r2/r2/controllers/api_docs.py
index 942422de8..a6596c3ca 100644
--- a/r2/r2/controllers/api_docs.py
+++ b/r2/r2/controllers/api_docs.py
@@ -38,6 +38,9 @@ section_info = {
     'account': {
         'title': _('account'),
     },
+    'apps': {
+        'title': _('apps'),
+    },
     'flair': {
         'title': _('flair'),
     },
diff --git a/r2/r2/controllers/validator/validator.py b/r2/r2/controllers/validator/validator.py
index 8c8582507..b2ab481ec 100644
--- a/r2/r2/controllers/validator/validator.py
+++ b/r2/r2/controllers/validator/validator.py
@@ -74,14 +74,15 @@ def can_comment_link(article):
 
 class Validator(object):
     default_param = None
-    def __init__(self, param=None, default=None, post=True, get=True, url=True):
+    def __init__(self, param=None, default=None, post=True, get=True, url=True,
+                 docs=None):
         if param:
             self.param = param
         else:
             self.param = self.default_param
 
         self.default = default
-        self.post, self.get, self.url = post, get, url
+        self.post, self.get, self.url, self.docs = post, get, url, docs
         self.has_errors = False
 
     def set_error(self, error, msg_params = {}, field = False):
@@ -99,6 +100,8 @@ class Validator(object):
         param_info = {}
         for param in filter(None, tup(self.param)):
             param_info[param] = None
+        if self.docs:
+            param_info.update(self.docs)
         return param_info
 
     def __call__(self, url):
@@ -992,6 +995,9 @@ class VSanitizedUrl(Validator):
     def run(self, url):
         return utils.sanitize_url(url)
 
+    def param_docs(self):
+        return {self.param: _("a valid URL")}
+
 class VUrl(VRequired):
     def __init__(self, item, allow_self = True, lookup = True, *a, **kw):
         self.allow_self = allow_self
@@ -1031,11 +1037,15 @@ class VUrl(VRequired):
         return self.error(errors.BAD_URL)
 
     def param_docs(self):
+        if isinstance(self.param, (list, tuple)):
+            param_names = self.param
+        else:
+            param_names = [self.param]
         params = {}
         try:
-            params[self.param[0]] = _('a valid URL')
-            params[self.param[1]] = _('a subreddit')
-            params[self.param[2]] = _('boolean value')
+            params[param_names[0]] = _('a valid URL')
+            params[param_names[1]] = _('a subreddit')
+            params[param_names[2]] = _('boolean value')
         except IndexError:
             pass
         return params
@@ -1837,6 +1847,7 @@ class VOneTimePassword(Validator):
 
 class VOAuth2ClientID(VRequired):
     default_param = "client_id"
+    default_param_doc = _("an app")
     def __init__(self, param=None, *a, **kw):
         VRequired.__init__(self, param, errors.OAUTH2_INVALID_CLIENT, *a, **kw)
 
@@ -1849,7 +1860,12 @@ class VOAuth2ClientID(VRequired):
             else:
                 self.error()
 
+    def param_docs(self):
+        return {self.default_param: self.default_param_doc}
+
 class VOAuth2ClientDeveloper(VOAuth2ClientID):
+    default_param_doc = _("an app developed by the user")
+
     def run(self, client_id):
         client = super(VOAuth2ClientDeveloper, self).run(client_id)
         if not client or not client.has_developer(c.user):