diff --git a/snippet.cabal b/snippet.cabal
--- a/snippet.cabal
+++ b/snippet.cabal
@@ -1,6 +1,6 @@
 cabal-version:      1.18
 name:               snippet
-version:            0.2.0.0
+version:            0.2.0.1
 license:            AGPL-3
 license-file:       COPYING
 maintainer:         Patrick Brisbin
@@ -41,7 +41,9 @@
 category:           Data
 build-type:         Simple
 extra-source-files:
+    test-cases/nested/readme-2.yaml
     test-cases/nested/readme.yaml
+    test-cases/simple/hlint.yaml
     test-cases/simple/multi-line.yaml
     test-cases/simple/one-line.yaml
 
diff --git a/src/Snippet/Line.hs b/src/Snippet/Line.hs
--- a/src/Snippet/Line.hs
+++ b/src/Snippet/Line.hs
@@ -130,7 +130,7 @@
       if T.null $ T.strip pre
         then do
           let
-            marker = "╭─" <> T.replicate (i + sc - 2) "─"
+            marker = "╭" <> T.replicate (i + sc - 1) "─"
             doc =
               focus (marker <> " " <> marked <> post)
                 <> regionMessage (i + ec + 2) region
diff --git a/src/Snippet/Pretty.hs b/src/Snippet/Pretty.hs
--- a/src/Snippet/Pretty.hs
+++ b/src/Snippet/Pretty.hs
@@ -12,13 +12,11 @@
   , prettySnippet
   , prettySnippetFill
   , snippetGutterWidth
-  , snippetInsetWidth
   ) where
 
 import Prelude
 
 import Data.Maybe (fromMaybe)
-import Data.Text qualified as T
 import Prettyprinter hiding (line)
 import Snippet.Line
 import Snippet.Pretty.Ann
@@ -33,19 +31,6 @@
   sl = snippet.region.startLine
   el = fromMaybe sl snippet.region.endLine
 
--- | A 'Snippet's inset matches how far the code is indented to support region
--- marking.
-snippetInsetWidth :: Snippet -> Int
-snippetInsetWidth = regionInsetWidth . (.region)
-
-regionInsetWidth :: Region -> Int
-regionInsetWidth region =
-  go region + maybe 0 go region.subRegion
- where
-  go r
-    | maybe True (== r.startLine) r.endLine = 0
-    | otherwise = 2
-
 prettySnippet :: Snippet -> Doc Ann
 prettySnippet snippet = prettySnippetFill w snippet
  where
@@ -92,9 +77,7 @@
 prettySnippetFill w snippet =
   vsep
     [ indent w
-        $ annotate
-          AnnDecoration
-          (pretty $ "┌" <> T.replicate (snippetInsetWidth snippet) "─")
+        $ annotate AnnDecoration "┌─"
           <+> pretty (snippet.uri)
           <> ":"
           <> pretty snippet.region.startLine
diff --git a/test-cases/nested/readme-2.yaml b/test-cases/nested/readme-2.yaml
new file mode 100644
--- /dev/null
+++ b/test-cases/nested/readme-2.yaml
@@ -0,0 +1,134 @@
+expected:
+  ansi: |2-
+       {b}┌─{x} test-cases/nested/readme-2.yaml:32:1
+       {b}│{x}
+    {b}32 │{x} {g}╭── main = do{x}
+    {b}33 │{x} {g}│ {x}{g}    let{x}
+    {b}34 │{x} {g}│ {x}{r}╭──── region = Region{x}
+    {b}35 │{x} {g}│ {x}{r}│ {x}{r}      { startLine = 32{x}
+    {b}36 │{x} {g}│ {x}{r}│ {x}{r}      , startColumn = Just 1{x}
+    {b}37 │{x} {g}│ {x}{r}│ {x}{r}      , endLine = Just 64{x}
+    {b}38 │{x} {g}│ {x}{r}│ {x}{r}      , endColumn = Nothing{x}
+    {b}39 │{x} {g}│ {x}{r}│ {x}{r}      , message = Nothing{x}
+    {b}40 │{x} {g}│ {x}{r}│ {x}{r}      , subRegion ={x}
+    {b}41 │{x} {g}│ {x}{r}│ {x}{r}          Just{x}
+    {b}42 │{x} {g}│ {x}{r}│ {x}{r}            Region{x}
+    {b}43 │{x} {g}│ {x}{r}│ {x}{r}              { startLine = 34{x}
+    {b}44 │{x} {g}│ {x}{r}│ {x}{r}              , startColumn = Just 5{x}
+    {b}45 │{x} {g}│ {x}{r}│ {x}{r}              , endLine = {x}{c}Just{x}{r} 59{x}
+    {b}   │{x} {g}│ {x}{r}│ {x}                          {c}^^^^{x}
+    {b}46 │{x} {g}│ {x}{r}│ {x}{r}              , endColumn = Nothing{x}
+    {b}47 │{x} {g}│ {x}{r}│ {x}{r}              , message = Just "Denotes a region in the snippet"{x}
+    {b}48 │{x} {g}│ {x}{r}│ {x}{r}              , subRegion ={x}
+    {b}49 │{x} {g}│ {x}{r}│ {x}{r}                  Just{x}
+    {b}50 │{x} {g}│ {x}{r}│ {x}{r}                    Region{x}
+    {b}51 │{x} {g}│ {x}{r}│ {x}{r}                      { startLine = 45{x}
+    {b}52 │{x} {g}│ {x}{r}│ {x}{r}                      , startColumn = Just 27{x}
+    {b}53 │{x} {g}│ {x}{r}│ {x}{r}                      , endLine = Nothing{x}
+    {b}54 │{x} {g}│ {x}{r}│ {x}{r}                      , endColumn = Just 31{x}
+    {b}55 │{x} {g}│ {x}{r}│ {x}{r}                      , message = Just "Would default to startLine"{x}
+    {b}56 │{x} {g}│ {x}{r}│ {x}{r}                      , subRegion = Nothing{x}
+    {b}57 │{x} {g}│ {x}{r}│ {x}{r}                      }{x}
+    {b}58 │{x} {g}│ {x}{r}│ {x}{r}              }{x}
+    {b}59 │{x} {g}│ {x}{r}│ {x}{r}      }{x}
+    {b}   │{x} {g}│ {x}{r}╰───────^{x}
+    {b}60 │{x} {g}│{x}
+    {b}61 │{x} {g}│ {x}{g}    -- Returns Nothing if file is missing/empty or region is invalid{x}
+    {b}62 │{x} {g}│ {x}{g}    mSnippet <- snippetFromFile region "README.md"{x}
+    {b}63 │{x} {g}│{x}
+    {b}64 │{x} {g}│ {x}{g}    traverse_ (putDoc . reAnnotate annToAnsi . prettySnippet) mSnippet{x}
+    {b}   │{x} {g}╰──────────────────────────────────────────────────────────────────────^{x}
+  text: |2-
+       ┌─ test-cases/nested/readme-2.yaml:32:1
+       │
+    32 │ ╭── main = do
+    33 │ │     let
+    34 │ │ ╭──── region = Region
+    35 │ │ │       { startLine = 32
+    36 │ │ │       , startColumn = Just 1
+    37 │ │ │       , endLine = Just 64
+    38 │ │ │       , endColumn = Nothing
+    39 │ │ │       , message = Nothing
+    40 │ │ │       , subRegion =
+    41 │ │ │           Just
+    42 │ │ │             Region
+    43 │ │ │               { startLine = 34
+    44 │ │ │               , startColumn = Just 5
+    45 │ │ │               , endLine = Just 59
+       │ │ │                           ^^^^
+    46 │ │ │               , endColumn = Nothing
+    47 │ │ │               , message = Just "Denotes a region in the snippet"
+    48 │ │ │               , subRegion =
+    49 │ │ │                   Just
+    50 │ │ │                     Region
+    51 │ │ │                       { startLine = 45
+    52 │ │ │                       , startColumn = Just 27
+    53 │ │ │                       , endLine = Nothing
+    54 │ │ │                       , endColumn = Just 31
+    55 │ │ │                       , message = Just "Would default to startLine"
+    56 │ │ │                       , subRegion = Nothing
+    57 │ │ │                       }
+    58 │ │ │               }
+    59 │ │ │       }
+       │ │ ╰───────^
+    60 │ │
+    61 │ │     -- Returns Nothing if file is missing/empty or region is invalid
+    62 │ │     mSnippet <- snippetFromFile region "README.md"
+    63 │ │
+    64 │ │     traverse_ (putDoc . reAnnotate annToAnsi . prettySnippet) mSnippet
+       │ ╰──────────────────────────────────────────────────────────────────────^
+input:
+  region:
+    endColumn: null
+    endLine: 64
+    message: null
+    startColumn: 1
+    startLine: 32
+    subRegion:
+      endColumn: null
+      endLine: 59
+      message: null
+      startColumn: 5
+      startLine: 34
+      subRegion:
+        endColumn: 31
+        endLine: null
+        message: null
+        startColumn: 27
+        startLine: 45
+        subRegion: null
+  source: |
+    main = do
+      let
+        region = Region
+          { startLine = 32
+          , startColumn = Just 1
+          , endLine = Just 64
+          , endColumn = Nothing
+          , message = Nothing
+          , subRegion =
+              Just
+                Region
+                  { startLine = 34
+                  , startColumn = Just 5
+                  , endLine = Just 59
+                  , endColumn = Nothing
+                  , message = Just "Denotes a region in the snippet"
+                  , subRegion =
+                      Just
+                        Region
+                          { startLine = 45
+                          , startColumn = Just 27
+                          , endLine = Nothing
+                          , endColumn = Just 31
+                          , message = Just "Would default to startLine"
+                          , subRegion = Nothing
+                          }
+                  }
+          }
+
+      -- Returns Nothing if file is missing/empty or region is invalid
+      mSnippet <- snippetFromFile region "README.md"
+
+      traverse_ (putDoc . reAnnotate annToAnsi . prettySnippet) mSnippet
+  sourceStartLine: null
diff --git a/test-cases/nested/readme.yaml b/test-cases/nested/readme.yaml
--- a/test-cases/nested/readme.yaml
+++ b/test-cases/nested/readme.yaml
@@ -1,6 +1,6 @@
 expected:
   ansi: |2-
-       {b}┌────{x} test-cases/nested/readme.yaml:32:8
+       {b}┌─{x} test-cases/nested/readme.yaml:32:8
        {b}│{x}
     {b}32 │{x}     main = {g}do{x}
     {b}   │{x} {g}╭──────────^{x}
@@ -40,7 +40,7 @@
     {b}64 │{x} {g}│ {x}{g}    traverse_ (putDoc . reAnnotate annToAnsi . prettySnippet) mSnippet{x}
     {b}   │{x} {g}╰──────────────────────────────────────────────────────────────────────^{x}
   text: |2-
-       ┌──── test-cases/nested/readme.yaml:32:8
+       ┌─ test-cases/nested/readme.yaml:32:8
        │
     32 │     main = do
        │ ╭──────────^
diff --git a/test-cases/simple/hlint.yaml b/test-cases/simple/hlint.yaml
new file mode 100644
--- /dev/null
+++ b/test-cases/simple/hlint.yaml
@@ -0,0 +1,31 @@
+expected:
+  ansi: |2-
+       {b}┌─{x} test-cases/simple/hlint.yaml:15:1
+       {b}│{x}
+    {b}15 │{x} {g}╭ data ArtifactLocation = ArtifactLocation{x}
+    {b}16 │{x} {g}│ {x}{g}  { uri :: Text{x}
+    {b}17 │{x} {g}│ {x}{g}  }{x}
+    {b}18 │{x} {g}│ {x}{g}  deriving stock (Eq){x}
+    {b}   │{x} {g}╰─────────────────────^{x}
+  text: |2-
+       ┌─ test-cases/simple/hlint.yaml:15:1
+       │
+    15 │ ╭ data ArtifactLocation = ArtifactLocation
+    16 │ │   { uri :: Text
+    17 │ │   }
+    18 │ │   deriving stock (Eq)
+       │ ╰─────────────────────^
+input:
+  region:
+    endColumn: 22
+    endLine: 18
+    message: null
+    startColumn: 1
+    startLine: 15
+    subRegion: null
+  source: |
+    data ArtifactLocation = ArtifactLocation
+      { uri :: Text
+      }
+      deriving stock (Eq)
+  sourceStartLine: 15
diff --git a/test-cases/simple/multi-line.yaml b/test-cases/simple/multi-line.yaml
--- a/test-cases/simple/multi-line.yaml
+++ b/test-cases/simple/multi-line.yaml
@@ -1,6 +1,6 @@
 expected:
   ansi: |2-
-      {b}┌──{x} test-cases/simple/multi-line.yaml:2:8
+      {b}┌─{x} test-cases/simple/multi-line.yaml:2:8
       {b}│{x}
     {b}1 │{x}   main :: IO ()
     {b}2 │{x}   main = {g}do{x}
@@ -10,7 +10,7 @@
     {b}5 │{x} {g}│ {x}{g}  putStrLn "That other things"{x}
     {b}  │{x} {g}╰──────────────────────────────^{x}
   text: |2-
-      ┌── test-cases/simple/multi-line.yaml:2:8
+      ┌─ test-cases/simple/multi-line.yaml:2:8
       │
     1 │   main :: IO ()
     2 │   main = do
diff --git a/test-cases/simple/one-line.yaml b/test-cases/simple/one-line.yaml
--- a/test-cases/simple/one-line.yaml
+++ b/test-cases/simple/one-line.yaml
@@ -1,12 +1,12 @@
 expected:
   ansi: |2-
-      {b}┌{x} test-cases/simple/one-line.yaml:1:37
+      {b}┌─{x} test-cases/simple/one-line.yaml:1:37
       {b}│{x}
     {b}1 │{x} Here is some source code that has a {g}few{x} lines and I'm trying to target the
     {b}  │{x}                                     {g}^^^{x}
     {b}2 │{x} word few in the first line
   text: |2-
-      ┌ test-cases/simple/one-line.yaml:1:37
+      ┌─ test-cases/simple/one-line.yaml:1:37
       │
     1 │ Here is some source code that has a few lines and I'm trying to target the
       │                                     ^^^
