diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,16 @@
 Changelog
 =========
 
+Version 0.1.1.0
+---------------
+
+*December 7, 2018*
+
+<https://github.com/mstksg/advent-of-code-api/releases/tag/v0.1.1.0>
+
+*   More robust parser for submission results.  Also now reports "hints" if
+    possible.
+
 Version 0.1.0.0
 ---------------
 
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -26,8 +26,8 @@
 ```
 
 Please use responsibly.  All actions are rate-limited to a default of one
-request every three minutes, with ability to adjust up to as fast as a
-hard-coded limit of one request per minute.
+request every three seconds, with ability to adjust up to as fast as a
+hard-coded limit of one request per second.
 
 Note that leaderboard API is not yet supported.
 
diff --git a/advent-of-code-api.cabal b/advent-of-code-api.cabal
--- a/advent-of-code-api.cabal
+++ b/advent-of-code-api.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 4e6eb16d6e3c33671de42d74c0c48c7fedbfe536ad3d4eb20bbc4a0d625881df
+-- hash: f03eec5006d16762ac8fed0ec107a02d10becc827816ae9aff936b1c94e41493
 
 name:           advent-of-code-api
-version:        0.1.0.0
+version:        0.1.1.0
 synopsis:       Advent of Code REST API bindings
 description:    Haskell bindings for Advent of Code REST API.  Please use responsibly!
                 See README.md or "Advent" module for an introduction and tutorial.
diff --git a/src/Advent.hs b/src/Advent.hs
--- a/src/Advent.hs
+++ b/src/Advent.hs
@@ -38,8 +38,9 @@
 -- 'runAoC' myOpts $ 'AoCSubmit' ('mkDay_' 10) 'Part1' "hello"
 -- @
 --
--- Please use responsibly.  All actions are rate-limited to a minimum of
--- one request per minute.
+-- Please use responsibly.  All actions are by default rate limited to one
+-- per three seconds, but this can be adjusted to a hard-limited cap of one
+-- per second.
 --
 -- Note that leaderboard API is not yet supported.
 
@@ -116,10 +117,11 @@
     -- | Correct submission, including global rank (if reported, which
     -- usually happens if rank is under 1000)
     = SubCorrect (Maybe Integer)
-    -- | Incorrect submission.  Check response text for hints (often, "too
-    -- high" or "too low"), and also for the wait time required before the
-    -- next submission.
-    | SubIncorrect
+    -- | Incorrect submission.  The 'Maybe' contains possible hints given
+    -- by the server (usually "too low" or "too high").  Check response
+    -- text for hints that the parser didn't catch, and also for the wait
+    -- time required before the next submission.
+    | SubIncorrect (Maybe String)
     -- | Submission was rejected because an incorrect submission was
     -- recently submitted.  Check response text for wait time.
     | SubWait
@@ -185,7 +187,7 @@
 data AoCError
     -- | A libcurl error, with response code and response body
     = AoCCurlError CurlCode String
-    -- | Tried to get interact with a challenge that has not yet been
+    -- | Tried to interact with a challenge that has not yet been
     -- released.  Contains the amount of time until release.
     | AoCReleaseError NominalDiffTime
     -- | The throttler limit is full.  Either make less requests, or adjust
@@ -210,7 +212,7 @@
       _aSessionKey :: String
       -- | Year of challenge
     , _aYear       :: Integer
-      -- ^ Cache directory.  If 'Nothing' is given, one will be allocated
+      -- | Cache directory.  If 'Nothing' is given, one will be allocated
       -- using 'getTemporaryDirectory'.
     , _aCache      :: Maybe FilePath
       -- | Fetch results even if cached.  Still subject to throttling.
@@ -219,7 +221,7 @@
       -- | Throttle delay, in milliseconds.  Minimum is 1000000.  Default
       -- is 3000000 (3 seconds).
     , _aThrottle   :: Int
-      -- ^ (Low-level usage) Extra 'CurlOption' options to feed to the
+      -- | (Low-level usage) Extra 'CurlOption' options to feed to the
       -- libcurl bindings.  Meant for things like proxy options and custom
       -- SSL certificates.  You should normally not have to add anything
       -- here, since the library manages cookies, request methods, etc. for
@@ -352,7 +354,9 @@
 parseSubmitRes :: Text -> SubmitRes
 parseSubmitRes t
     | "the right answer!"       `T.isInfixOf` t = SubCorrect $ findRank t
-    | "not the right answer."   `T.isInfixOf` t = SubIncorrect
+    | "too high"                `T.isInfixOf` t = SubIncorrect $ Just "too high"
+    | "too low"                 `T.isInfixOf` t = SubIncorrect $ Just "too low"
+    | "not the right answer"    `T.isInfixOf` t = SubIncorrect Nothing
     | "an answer too recently"  `T.isInfixOf` t = SubWait
     | "solving the right level" `T.isInfixOf` t = SubInvalid
     | otherwise                                 = SubUnknown
@@ -369,12 +373,13 @@
 -- | Pretty-print a 'SubmitRes'
 showSubmitRes :: SubmitRes -> String
 showSubmitRes = \case
-    SubCorrect Nothing  -> "Correct"
-    SubCorrect (Just r) -> printf "Correct (Rank %d)" r
-    SubIncorrect        -> "Incorrect"
-    SubWait             -> "Wait"
-    SubInvalid          -> "Invalid"
-    SubUnknown          -> "Unknown"
+    SubCorrect Nothing    -> "Correct"
+    SubCorrect (Just r)   -> printf "Correct (Rank %d)" r
+    SubIncorrect Nothing  -> "Incorrect"
+    SubIncorrect (Just h) -> printf "Incorrect (%s)" h
+    SubWait               -> "Wait"
+    SubInvalid            -> "Invalid"
+    SubUnknown            -> "Unknown"
 
 saverLoader :: AoC a -> SaverLoader (Either AoCError a)
 saverLoader = \case