diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1acedf..1edb153 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,11 @@ If needed, pluralize to `Tasks`, `PRs` or `Authors` and list multiple entries se
 ### Security
 - None.
 
+## [0.9.1] - 2022-04-25
+### Changed
+- Default violation level was changed from `error` to `warning`.  
+  Author: [Cihat Gündüz](https://github.com/Jeehut) | Issue: [#47](https://github.com/FlineDev/AnyLint/issues/47)
+
 ## [0.9.0] - 2022-04-24
 ### Added
 - Added new option `violationLocation` parameter for `checkFileContents` for specifying position of violation marker using `.init(range:bound:)`, where `range` can be one of `.fullMatch` or `.captureGroup(index:)` and bound one of `.lower` or `.upper`.
diff --git a/Formula/anylint.rb b/Formula/anylint.rb
index c0805b0..9171057 100644
--- a/Formula/anylint.rb
+++ b/Formula/anylint.rb
@@ -1,7 +1,7 @@
 class Anylint < Formula
   desc "Lint anything by combining the power of Swift & regular expressions"
   homepage "https://github.com/FlineDev/AnyLint"
-  url "https://github.com/FlineDev/AnyLint.git", :tag => "0.8.5", :revision => "1078228fb2251d9efa369768530638790587d4eb"
+  url "https://github.com/FlineDev/AnyLint.git", :tag => "0.9.0", :revision => "77e24fdedb70413dd8f750799dedc4b309b7c8eb"
   head "https://github.com/FlineDev/AnyLint.git"
 
   depends_on :xcode => ["12.5", :build]
diff --git a/README.md b/README.md
index 738a4aa..c399ced 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,8 @@
              alt="Coverage"/>
     </a>
     <a href="https://github.com/FlineDev/AnyLint/releases">
-        <img src="https://img.shields.io/badge/Version-0.9.0-blue.svg"
-             alt="Version: 0.9.0">
+        <img src="https://img.shields.io/badge/Version-0.9.1-blue.svg"
+             alt="Version: 0.9.1">
     </a>
     <a href="https://github.com/FlineDev/AnyLint/blob/main/LICENSE">
         <img src="https://img.shields.io/badge/License-MIT-lightgrey.svg"
diff --git a/Sources/AnyLint/CheckInfo.swift b/Sources/AnyLint/CheckInfo.swift
index 9cd3080..d1a705a 100644
--- a/Sources/AnyLint/CheckInfo.swift
+++ b/Sources/AnyLint/CheckInfo.swift
@@ -13,7 +13,7 @@ public struct CheckInfo {
     public let severity: Severity
 
     /// Initializes a new info object for the lint check.
-    public init(id: String, hint: String, severity: Severity = .error) {
+    public init(id: String, hint: String, severity: Severity = .warning) {
         self.id = id
         self.hint = hint
         self.severity = severity
diff --git a/Sources/AnyLint/Checkers/FileContentsChecker.swift b/Sources/AnyLint/Checkers/FileContentsChecker.swift
index 558521e..e7a1878 100644
--- a/Sources/AnyLint/Checkers/FileContentsChecker.swift
+++ b/Sources/AnyLint/Checkers/FileContentsChecker.swift
@@ -41,16 +41,23 @@ extension FileContentsChecker: Checker {
                             locationInfo = fileContents.locationInfo(of: match.range.lowerBound)
 
                         case .upper:
-                            locationInfo = fileContents.locationInfo(of: match.range.lowerBound)
+                            locationInfo = fileContents.locationInfo(of: match.range.upperBound)
                         }
 
                     case .captureGroup(let index):
+                        let capture = match.captures[index]!
+                        let captureRange = NSRange(match.string.range(of: capture)!, in: match.string)
+
                         switch self.violationLocation.bound {
                         case .lower:
-                            locationInfo = fileContents.locationInfo(of: match.range.lowerBound)
+                            locationInfo = fileContents.locationInfo(
+                                of: fileContents.index(match.range.lowerBound, offsetBy: captureRange.location)
+                            )
 
                         case .upper:
-                            locationInfo = fileContents.locationInfo(of: match.range.lowerBound)
+                            locationInfo = fileContents.locationInfo(
+                                of: fileContents.index(match.range.lowerBound, offsetBy: captureRange.location + captureRange.length)
+                            )
                         }
                     }
 
@@ -117,7 +124,7 @@ extension FileContentsChecker: Checker {
             let violationsOnRechecks = try FileContentsChecker(
                 checkInfo: checkInfo,
                 regex: regex,
-                violationLocation: self.violationLocation
+                violationLocation: self.violationLocation,
                 filePathsToCheck: filePathsToReCheck,
                 autoCorrectReplacement: autoCorrectReplacement,
                 repeatIfAutoCorrected: repeatIfAutoCorrected
diff --git a/Sources/Utility/Constants.swift b/Sources/Utility/Constants.swift
index c242544..b8f72d2 100644
--- a/Sources/Utility/Constants.swift
+++ b/Sources/Utility/Constants.swift
@@ -9,7 +9,7 @@ public var log = Logger(outputType: .console)
 /// Constants to reference across the project.
 public enum Constants {
     /// The current tool version string. Conforms to SemVer 2.0.
-    public static let currentVersion: String = "0.9.0"
+    public static let currentVersion: String = "0.9.1"
 
     /// The name of this tool.
     public static let toolName: String = "AnyLint"