diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [0.12.0.2] - 2023-10-09
+
+### Added
+
+* `decorateString`
+
 ## [0.12.0.1] - 2022-04-26
 
 ### Added
diff --git a/src/Data/Validity.hs b/src/Data/Validity.hs
--- a/src/Data/Validity.hs
+++ b/src/Data/Validity.hs
@@ -48,6 +48,7 @@
     delve,
     decorate,
     decorateList,
+    decorateString,
     invalid,
     valid,
 
@@ -274,6 +275,12 @@
   flip map (zip [0 ..] as) $ \(i, a) ->
     decorate (unwords ["The element at index", show (i :: Integer), "in the list"]) $
       func a
+
+-- | 'decorateList', but specifically for 'String's
+--
+-- > decorateString = decorateList
+decorateString :: String -> (Char -> Validation) -> Validation
+decorateString = decorateList
 
 -- | Construct a trivially invalid 'Validation'
 --
diff --git a/test/Data/ValiditySpec.hs b/test/Data/ValiditySpec.hs
--- a/test/Data/ValiditySpec.hs
+++ b/test/Data/ValiditySpec.hs
@@ -146,7 +146,7 @@
   describe "NormalisedRatio" $ do
     it "says that NaN is invalid" $ NormalisedRatio notANumber `shouldSatisfy` (not . isValid)
     it "says that +Inf is invalid" $ NormalisedRatio infinity `shouldSatisfy` (not . isValid)
-    it "says that -Inf is invalid" $ NormalisedRatio (- infinity) `shouldSatisfy` (not . isValid)
+    it "says that -Inf is invalid" $ NormalisedRatio (-infinity) `shouldSatisfy` (not . isValid)
     it "says that these non-normalised numbers are invalid" $ do
       NormalisedRatio ((5 :: Integer) :% 5) `shouldSatisfy` (not . isValid)
       NormalisedRatio ((1 :: Integer) :% (-5)) `shouldSatisfy` (not . isValid)
diff --git a/validity.cabal b/validity.cabal
--- a/validity.cabal
+++ b/validity.cabal
@@ -1,11 +1,11 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.34.7.
+-- This file has been generated from package.yaml by hpack version 0.35.2.
 --
 -- see: https://github.com/sol/hpack
 
 name:           validity
-version:        0.12.0.1
+version:        0.12.0.2
 synopsis:       Validity typeclass
 description:    For more info, see <https://github.com/NorfairKing/validity the readme>.
                 .