diff --git a/r2/r2/controllers/api.py b/r2/r2/controllers/api.py
index 7f800f152..3d9d36814 100755
--- a/r2/r2/controllers/api.py
+++ b/r2/r2/controllers/api.py
@@ -3209,7 +3209,18 @@ class ApiController(RedditController, OAuth2ResourceController):
     @validate(VUser(),
               user = VFlairAccount('name'),
               link = VFlairLink('link'))
+    @api_doc(api_section.flair, uses_site=True)
     def POST_flairselector(self, user, link):
+        """Return information about a users's flair options.
+
+        If `link` is given, return link flair options.
+        Otherwise, return user flair options for this subreddit.
+
+        The logged in user's flair is also returned.
+        Subreddit moderators may give a user by `name` to instead
+        retrieve that user's flair.
+
+        """
         if link:
             if hasattr(c.site, '_id') and c.site._id == link.sr_id:
                 site = c.site
diff --git a/r2/r2/lib/validator/validator.py b/r2/r2/lib/validator/validator.py
index de841e988..591ae8afa 100644
--- a/r2/r2/lib/validator/validator.py
+++ b/r2/r2/lib/validator/validator.py
@@ -2149,6 +2149,9 @@ class VFlairAccount(VRequired):
             or self._lookup(name, True)
             or self.error())
 
+    def param_docs(self):
+        return {self.param: _("a user by name")}
+
 class VFlairLink(VRequired):
     def __init__(self, item, *a, **kw):
         VRequired.__init__(self, item, errors.BAD_FLAIR_TARGET, *a, **kw)
@@ -2161,6 +2164,9 @@ class VFlairLink(VRequired):
         except NotFound:
             return self.error()
 
+    def param_docs(self):
+        return {self.param: _("a [fullname](#fullname) of a link")}
+
 class VFlairCss(VCssName):
     def __init__(self, param, max_css_classes=10, **kw):
         self.max_css_classes = max_css_classes