Fix a few typos within the documentation

Fixes more typos

Also states that the range for floating points is from 0 to 1 inclusive

Author: Azoy

stdlib/public/core/Collection.swift

@@ -784,7 +784,7 @@ public protocol Collection : Sequence
   /// Returns a shuffled version of this collection.
   ///
   /// - Parameter generator: The random number generator to use when shuffling
-  ///   the collection. This parameter is not need as the default implementation
+  ///   the collection. This parameter is not needed as the default implementation
   ///   of `Collection` uses the default random source in the standard library.
   /// - Returns: A new array containing a shuffled version of this collection's
   ///   elements.
@@ -1003,7 +1003,7 @@ extension Collection {
   /// Returns a shuffled version of this collection.
   ///
   /// - Parameter generator: The random number generator to use when shuffling
-  ///   the collection. This parameter is not need as the default implementation
+  ///   the collection. This parameter is not needed as the default implementation
   ///   of `Collection` uses the default random source in the standard library.
   /// - Returns: A new array containing a shuffled version of this collection's
   ///   elements.

stdlib/public/core/FloatingPoint.swift.gyb

@@ -2106,7 +2106,7 @@ extension BinaryFloatingPoint {
   /// - Returns: A random representation of this floating point conforming to
   ///   `Randomizable`
   ///
-  /// The range of this random floating point is from 0 to 1
+  /// The range of this random floating point is from 0 to 1 inclusive
   @_inlineable
   public static func random(using generator: RandomGenerator) -> Self {
     let random = generator.next(UInt64.self)

stdlib/public/core/MutableCollection.swift

@@ -162,7 +162,7 @@ public protocol MutableCollection : Collection
   /// Shuffles the current collection
   ///
   /// - Parameter generator: The random number generator to use when shuffling
-  ///   the collection. This parameter is not need as the default implementation
+  ///   the collection. This parameter is not needed as the default implementation
   ///   of `Collection` uses the default random source in the standard library.
   mutating func shuffle(using generator: RandomGenerator)
 
@@ -237,7 +237,7 @@ extension MutableCollection {
   /// Shuffles the current collection
   ///
   /// - Parameter generator: The random number generator to use when shuffling
-  ///   the collection. This parameter is not need as the default implementation
+  ///   the collection. This parameter is not needed as the default implementation
   ///   of `Collection` uses the default random source in the standard library.
   @_inlineable
   public mutating func shuffle(

stdlib/public/core/Random.swift

@@ -29,10 +29,9 @@ import SwiftShims
 /// `FixedWidthInteger`. They must also be able to constrict that number down
 /// to an upperBound.
 ///
-/// - Note: It should be worth noting that types that implement RandomGenerator
-///   should have a decent amount of documentation that clearly conveys whether
-///   or not the generator produces cryptographically-secure numbers or
-///   deterministically generated numbers.
+/// - Note: Types that implement RandomGenerator should have a decent amount of
+///   documentation that clearly conveys whether or not the generator produces
+///   cryptographically secure numbers or deterministically generated numbers.
 public protocol RandomGenerator {
   /// Produces the next randomly generated number
   ///
@@ -64,7 +63,7 @@ public protocol RandomGenerator {
 ///     let random = Int.random
 ///     let randomToTen = (0 ... 10).random
 ///
-/// - Note: The default implementation of randomness is cryptographically-secure.
+/// - Note: The default implementation of randomness is cryptographically secure.
 ///   It utilizes arc4random on newer versions of macOS, iOS, etc. On older
 ///   versions of these operating systems it uses /dev/urandom and SecRandomCopyBytes
 ///   on iOS. For Linux, it tries to use the getrandom(2) system call on newer

stdlib/public/core/RandomAccessCollection.swift

@@ -117,7 +117,7 @@ public protocol RandomAccessCollection : BidirectionalCollection
   ///
   /// - Parameter generator: The random number generator to use when getting
   ///   a random element.
-  /// - Returns: A random random element this collection.
+  /// - Returns: A random element this collection.
   ///
   /// A good example of this is getting a random number from 1 to 10:
   ///
@@ -234,7 +234,7 @@ extension RandomAccessCollection {
   ///
   /// - Parameter generator: The random number generator to use when getting
   ///   a random element.
-  /// - Returns: A random random element this collection.
+  /// - Returns: A random element this collection.
   ///
   /// A good example of this is getting a random number from 1 to 10:
   ///