diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for tasty-checklist
 
+## 1.0.5.0 -- 2023-01-07
+
+  * Enhanced display of multi-line differences to make whitespace more visible.
+
 ## 1.0.4.1 -- 2022-12-26
 
   * Bump upper bound of doctest to enable GHC 9.4 support.
diff --git a/src/Test/Tasty/Checklist.hs b/src/Test/Tasty/Checklist.hs
--- a/src/Test/Tasty/Checklist.hs
+++ b/src/Test/Tasty/Checklist.hs
@@ -379,15 +379,21 @@
       db b = "|        > " <> b
       de m e = "|" <> m <> "expect> " <> e
       da m a = "|" <> m <> "actual> " <> a
-      el = T.lines expected
-      al = T.lines actual
+      el = visible <$> T.lines expected
+      al = visible <$> T.lines actual
+      visible = T.replace " " "␠"
+                . T.replace "\n" "␤"
+                . T.replace "\t" "␉"
+                . T.replace "\012" "␍"
       addnum :: Int -> T.Text -> T.Text
       addnum n l = let nt = T.pack (show n)
                        nl = T.length nt
                    in T.take (4 - nl) "    " <> nt <> l
+      ll = T.pack . show . length
+      tl = T.pack . show . T.length
       banner = "MISMATCH between "
-               <> T.pack (show $ length el) <> " expected and "
-               <> T.pack (show $ length al) <> " actual"
+               <> ll el <> "l/" <> tl expected <> "c expected and "
+               <> ll al <> "l/" <> tl actual <> "c actual"
       diffReport = fmap (uncurry addnum) $
                    zip [1..] $ concat $
                    -- Highly simplistic "diff" output assumes
@@ -398,5 +404,16 @@
                    , fmap (de "∌ ") $ drop (length al) el
                    , fmap (da "∹ ") $ drop (length el) al
                    ]
+                   -- n.b. T.lines seems to consume trailing whitespace before
+                   -- newlines as well.  This will show any of this whitespace
+                   -- difference on the last line, but not for other lines with
+                   -- whitespace.
+                   <> if el == al
+                      then let maxlen = max (T.length expected) (T.length actual)
+                               end x = T.drop (maxlen - 5) x
+                           in [ [ de "∌ ending " $ visible $ end expected ]
+                              , [ da "∹ ending " $ visible $ end actual ]
+                              ]
+                      else mempty
       details = banner : diffReport
   in if expected == actual then "<no difference>" else T.unpack (T.unlines details)
diff --git a/tasty-checklist.cabal b/tasty-checklist.cabal
--- a/tasty-checklist.cabal
+++ b/tasty-checklist.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               tasty-checklist
-version:            1.0.4.1
+version:            1.0.5.0
 synopsis:           Check multiple items during a tasty test
 description:
    Allows the test to check a number of items during a test and
@@ -13,7 +13,7 @@
 license-file:       LICENSE
 author:             Kevin Quick
 maintainer:         kquick@galois.com
-copyright:          Kevin Quick, 2021-2022
+copyright:          Kevin Quick, 2021-2023
 category:           Testing
 extra-source-files: CHANGELOG.md