diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f6f31f..2a834ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 #CHANGELOG
 
+##3.0.1
+
+- Swift 4.2 support
+- use `utf16` symbols count to place more & less buttons correctly in the HTML page.
+
 ##3.0.0
 
 - Swift 4 support
diff --git a/ReadMoreTextView.podspec b/ReadMoreTextView.podspec
index 5e6143e..7d855f6 100644
--- a/ReadMoreTextView.podspec
+++ b/ReadMoreTextView.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "ReadMoreTextView"
-  s.version      = "3.0.0"
+  s.version      = "3.0.1"
   s.summary      = 'UITextView subclass with "read more"/"read less" capabilities and UITextView extensions to handle touches in characters range.'
 
   s.description  = <<-DESC
diff --git a/Sources/ReadMoreTextView.swift b/Sources/ReadMoreTextView.swift
index b32f98c..83745e4 100644
--- a/Sources/ReadMoreTextView.swift
+++ b/Sources/ReadMoreTextView.swift
@@ -47,8 +47,8 @@ public class ReadMoreTextView: UITextView {
         isEditable = false
         
         let attributedDefaultReadMoreText = NSAttributedString(string: defaultReadMoreText, attributes: [
-          NSAttributedStringKey.foregroundColor: UIColor.lightGray,
-          NSAttributedStringKey.font: font ?? UIFont.systemFont(ofSize: 14)
+            NSAttributedString.Key.foregroundColor: UIColor.lightGray,
+            NSAttributedString.Key.font: font ?? UIFont.systemFont(ofSize: 14)
         ])
         attributedReadMoreText.append(attributedDefaultReadMoreText)
         self.attributedReadMoreText = attributedReadMoreText
@@ -198,7 +198,7 @@ public class ReadMoreTextView: UITextView {
     public override var intrinsicContentSize : CGSize {
         textContainer.size = CGSize(width: bounds.size.width, height: CGFloat.greatestFiniteMagnitude)
         var intrinsicContentSize = layoutManager.boundingRect(forGlyphRange: layoutManager.glyphRange(for: textContainer), in: textContainer).size
-        intrinsicContentSize.width = UIViewNoIntrinsicMetric
+        intrinsicContentSize.width = UIView.noIntrinsicMetric
         intrinsicContentSize.height += (textContainerInset.top + textContainerInset.bottom)
         intrinsicContentSize.height = ceil(intrinsicContentSize.height)
         return intrinsicContentSize
@@ -237,8 +237,8 @@ public class ReadMoreTextView: UITextView {
     
     private func attributedStringWithDefaultAttributes(from text: String) -> NSAttributedString {
         return NSAttributedString(string: text, attributes: [
-          NSAttributedStringKey.font: font ?? UIFont.systemFont(ofSize: 14),
-            NSAttributedStringKey.foregroundColor: textColor ?? UIColor.black
+            NSAttributedString.Key.font: font ?? UIFont.systemFont(ofSize: 14),
+            NSAttributedString.Key.foregroundColor: textColor ?? UIColor.black
         ])
     }
     
@@ -274,7 +274,7 @@ public class ReadMoreTextView: UITextView {
 
         if let originalAttributedText = _originalAttributedText?.mutableCopy() as? NSMutableAttributedString {
             attributedText = _originalAttributedText
-            let range = NSRange(location: 0, length: text.count)
+            let range = NSRange(location: 0, length: text.length)
             if let attributedReadLessText = attributedReadLessText {
                 originalAttributedText.append(attributedReadLessText)
             }
@@ -323,7 +323,7 @@ public class ReadMoreTextView: UITextView {
             let characterIndex = layoutManager.characterIndexForGlyph(at: glyphIndex)
             return characterIndex - 1
         } else {
-            return NSMaxRange(rangeThatFits) - readMoreText!.count
+            return NSMaxRange(rangeThatFits) - readMoreText!.length
         }
     }
     
@@ -333,20 +333,20 @@ public class ReadMoreTextView: UITextView {
         let layoutManager = NSLayoutManager()
         layoutManager.addTextContainer(textContainer)
         textStorage.addLayoutManager(layoutManager)
-        let readMoreBoundingRect = layoutManager.boundingRectForCharacterRange(range: NSMakeRange(0, text.count), inTextContainer: textContainer)
+        let readMoreBoundingRect = layoutManager.boundingRectForCharacterRange(range: NSMakeRange(0, text.length), inTextContainer: textContainer)
         return readMoreBoundingRect
     }
     
     private func readMoreTextRange() -> NSRange {
         var readMoreTextRange = rangeToReplaceWithReadMoreText()
         if readMoreTextRange.location != NSNotFound {
-            readMoreTextRange.length = readMoreText!.count + 1
+            readMoreTextRange.length = readMoreText!.length + 1
         }
         return readMoreTextRange
     }
     
     private func readLessTextRange() -> NSRange {
-        return NSRange(location: _originalTextLength, length: readLessText!.count + 1)
+        return NSRange(location: _originalTextLength, length: readLessText!.length + 1)
     }
 
     private func pointIsInReadMoreOrReadLessTextRange(point aPoint: CGPoint) -> Bool? {
@@ -357,5 +357,11 @@ public class ReadMoreTextView: UITextView {
         }
         return nil
     }
-	
+
+}
+
+extension String {
+    var length: Int {
+        return utf16.count
+    }
 }
diff --git a/Sources/UITextView+Extensions.swift b/Sources/UITextView+Extensions.swift
index 310b329..a44ecbb 100644
--- a/Sources/UITextView+Extensions.swift
+++ b/Sources/UITextView+Extensions.swift
@@ -19,7 +19,7 @@ extension UITextView {
         guard let charIndex = charIndexForPointInGlyphRect(point: aPoint) else {
                 return super.hitTest(aPoint, with: event)
         }
-      guard textStorage.attribute(NSAttributedStringKey.link, at: charIndex, effectiveRange: nil) == nil else {
+        guard textStorage.attribute(NSAttributedString.Key.link, at: charIndex, effectiveRange: nil) == nil else {
             return super.hitTest(aPoint, with: event)
         }
         return test(charIndex)