diff --git a/README.md b/README.md
index 7fea4b1e..d349c96b 100644
--- a/README.md
+++ b/README.md
@@ -104,16 +104,6 @@ Int256(4) / Int(4), UInt256(4) / UInt(4)
 Int256(5) % Int(5), UInt256(5) % UInt(5)
 ```
 
-> [!NOTE]
-> The `Digit` type is `Int` when `Self` is signed, and `UInt` otherwise.
-
-### ⭐️ Feature: Swift.StaticBigInt
-
-`StaticBigInt` is disabled by default. You enable it in `Package.swift`.
-
-> [!NOTE]
-> You can use `StaticString` until `StaticBigInt` becomes available.
-
 <a name="nbkflexiblewidthkit"/>
 
 ## [NBKFlexibleWidthKit][FLX/D] ([Sources][FLX/S], [Tests][FLX/T], [Benchmarks][FLX/B])
@@ -146,9 +136,9 @@ NBKFibonacciXL(10_000_000) // 2.3s on MacBook Pro, 13-inch, M1, 2020
 But you can also step through it manually:
 
 ```swift
-public mutating func increment() { ... } // index + 1
-public mutating func decrement() { ... } // index - 1
-public mutating func    double() { ... } // index * 2
+mutating func increment() { ... } // index + 1
+mutating func decrement() { ... } // index - 1
+mutating func    double() { ... } // index * 2
 ```
 
 <a name="installation"/>
diff --git a/Sources/NBKDoubleWidthKit/NBKDoubleWidth.swift b/Sources/NBKDoubleWidthKit/NBKDoubleWidth.swift
index 612410f6..6a632a66 100644
--- a/Sources/NBKDoubleWidthKit/NBKDoubleWidth.swift
+++ b/Sources/NBKDoubleWidthKit/NBKDoubleWidth.swift
@@ -77,14 +77,6 @@ import NBKCoreKit
 /// Int256(5) % Int(5), UInt256(5) % UInt(5)
 /// ```
 ///
-/// - Note: The `Digit` type is `Int` when `Self` is signed, and `UInt` otherwise.
-///
-/// ### ⭐️ Feature: StaticBigInt
-///
-/// `StaticBigInt` is disabled by default. You enable it in `Package.swift`.
-///
-/// - Note: You can use `StaticString` until `StaticBigInt` becomes available.
-///
 @frozen public struct NBKDoubleWidth<High>: ExpressibleByStringLiteral,
 NBKFixedWidthInteger, MutableCollection, RandomAccessCollection where
 High: NBKFixedWidthInteger,  High.Digit: NBKCoreInteger<UInt> {
diff --git a/Sources/Numberick/Documentation.docc/Documentation.md b/Sources/Numberick/Documentation.docc/Documentation.md
index 46c64b13..17f64264 100644
--- a/Sources/Numberick/Documentation.docc/Documentation.md
+++ b/Sources/Numberick/Documentation.docc/Documentation.md
@@ -88,19 +88,11 @@ Int256(4) / Int(4), UInt256(4) / UInt(4)
 Int256(5) % Int(5), UInt256(5) % UInt(5)
 ```
 
-- Note: The `Digit` type is `Int` when `Self` is signed, and `UInt` otherwise.
-
-### ⭐️ Feature: StaticBigInt
-
-`StaticBigInt` is disabled by default. You enable it in `Package.swift`.
-
-- Note: You can use `StaticString` until `StaticBigInt` becomes available.
+## NBKFlexibleWidthKit
 
 > [!IMPORTANT]
 > It's a work in progress. I may rework it at any time.
 
-## NBKFlexibleWidthKit
-
 ### Models
 
 - ``NBKFibonacciXL``
@@ -120,15 +112,15 @@ NBKFibonacciXL(5) // (index: 5, element: 5, next: 8)
 It uses a fast double-and-add algorithm:
 
 ```swift
-NBKFibonacciXL(10_000_000) // 2.3s on M1 MacBook Pro
+NBKFibonacciXL(10_000_000) // 2.3s on MacBook Pro, 13-inch, M1, 2020
 ```
 
 But you can also step through it manually:
 
 ```swift
-public mutating func increment() { ... } // index + 1
-public mutating func decrement() { ... } // index - 1
-public mutating func    double() { ... } // index * 2
+mutating func increment() { ... } // index + 1
+mutating func decrement() { ... } // index - 1
+mutating func    double() { ... } // index * 2
 ```
 
 ## Topics