Doc improvements.

README.md

@@ -413,9 +413,9 @@ The `replaceBy` method lets you define a function to transform an item at a spec
 
 It's actually possible to create a const `IList`, but you must follow these rules:
 
-1. Instantiate an `IListConst` (or use `IListConst.empty()`).
+1. Instantiate an `IListConst` (or use `IList.empty()`).
 2. Explicitly assign it to an `IList`.
-3. Use the const keyword.
+3. Use the `const` keyword.
 
 Examples:
 
@@ -431,21 +431,21 @@ So, for example, those are wrong:
 
 ```
 // Wrong: Not using the const keyword.
-IList<int> ilist = IListConst([]);
 IList<int> ilist = IList.empty();
+IList<int> ilist = IListConst([]);
 
 // Wrong: Not explicitly assigning it to an `IList`.
 const ilist = IListConst([]);
 ```
 
 One other thing to keep in mind is that the `IListConst()` constructor always uses
 `ConfigList(isDeepEquals: true, cacheHashCode: true)`, completely ignoring the global
-`defaultConfig` (which will be explained below). This means if you want a specific a config you must
-provide it in the constructor.
+`defaultConfig` (which will be explained below). This means if you want a specific a 
+config you must provide it in the constructor.
 
-_Note: While the FIC collections are generally intuitive to use, the **const** `IList` is a bit
-cumbersome to use, because of these rules you have to remember. Unfortunately it can't be avoided
-because of the limitations of the Dart language._
+_Note: While the FIC collections are generally intuitive to use, the **const** `IList` 
+is a bit cumbersome to use, because of these rules you have to remember. 
+Unfortunately it can't be avoided because of the limitations of the Dart language._
 
 ## 2.1. IList Equality
 

lib/src/base/iterable_extension.dart

@@ -287,7 +287,7 @@ extension FicIterableExtension<T> on Iterable<T> {
   /// (and the [id] is a function of the item), like so:
   ///
   /// 1) Items with the same [id] will be replaced, in place.
-  /// 2) Items with new [id]s will be added go to the end of the list.
+  /// 2) Items with new [id]s will be added to the end of the list.
   ///
   /// Note: If the original iterable contains more than one item with the
   /// same [id] as some item in [newItems], the first will be replaced, and

lib/src/ilist/ilist.dart

@@ -736,7 +736,7 @@ abstract class IList<T> // ignore: must_be_immutable
   /// (and the [id] is a function of the item), like so:
   ///
   /// 1) Items with the same [id] will be replaced, in place.
-  /// 2) Items with new [id]s will be added go to the end of the list.
+  /// 2) Items with new [id]s will be added to the end of the list.
   ///
   /// Note: If the original list contains more than one item with the same
   /// [id] as some item in [newItems], the first will be replaced, and the