diff --git a/README.md b/README.md
index 3db556b..5011c56 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ dependencies: [
 ### `NSTextContainer` Additions
 
 ```swift
-func textSet(for rect: CGRect) -> IndexSet
+func characterIndexes(within rect: CGRect) -> IndexSet
 func enumerateLineFragments(for rect: CGRect, strictIntersection: Bool, block: (CGRect, NSRange, inout Bool) -> Void)
 func enumerateLineFragments(in range: NSRange, block: (CGRect, NSRange, inout Bool) -> Void)
 ```
@@ -45,8 +45,9 @@ func enumerateLineFragments(with provider: NSTextElementProvider, block: (NSText
 
 ### `NSTextView`/`UITextView` Additions
 
-```swift
-var visibleTextSet: IndexSet
+```
+func characterIndexes(within rect: CGRect) -> IndexSet
+var visibleCharacterIndexes: IndexSet
 ```
 
 ## Contributing and Collaboration
diff --git a/Sources/Glyph/NSTextContainer+Additions.swift b/Sources/Glyph/NSTextContainer+Additions.swift
index 4603c56..9c123da 100644
--- a/Sources/Glyph/NSTextContainer+Additions.swift
+++ b/Sources/Glyph/NSTextContainer+Additions.swift
@@ -54,7 +54,7 @@ extension NSTextContainer {
 	}
 
 	/// Returns an IndexSet representing the content within `rect`.
-	public func textSet(for rect: CGRect) -> IndexSet {
+	public func characterIndexes(within rect: CGRect) -> IndexSet {
 		var set = IndexSet()
 
 		enumerateLineFragments(for: rect, strictIntersection: true) { _, range, _ in
diff --git a/Sources/Glyph/NSTextView+Additions.swift b/Sources/Glyph/NSTextView+Additions.swift
index 39f3463..e589df9 100644
--- a/Sources/Glyph/NSTextView+Additions.swift
+++ b/Sources/Glyph/NSTextView+Additions.swift
@@ -21,17 +21,17 @@ extension TextView {
 	}
 
 	/// Returns an IndexSet representing the content within `rect`.
-	public func textSet(for rect: CGRect) -> IndexSet {
+	public func characterIndexes(within rect: CGRect) -> IndexSet {
 #if os(macOS) && !targetEnvironment(macCatalyst)
-		return textContainer?.textSet(for: rect) ?? IndexSet()
+		return textContainer?.characterIndexes(within: rect) ?? IndexSet()
 #elseif os(iOS) || os(visionOS)
-		return textContainer.textSet(for: rect)
+		return textContainer.characterIndexes(within: rect)
 #endif
 	}
 
 	/// Returns an IndexSet representing the visible content.
-	public var visibleTextSet: IndexSet {
-		textSet(for: visibleContainerRect)
+	public var visibleCharacterIndexes: IndexSet {
+		characterIndexes(within: visibleContainerRect)
 	}
 }
 #endif