diff --git a/README.md b/README.md
index 0edb385..8d8ba6c 100644
--- a/README.md
+++ b/README.md
@@ -1639,7 +1639,7 @@ are yielded down the generator chain.
 Equivalents to `Array`'s `.map(..)`, `.filter(..)` and `.reduce(..)` but return 
 generators that yield the handler return values.
 
-Note that `.map(..)` here also supports a generator as a handler
+`.map(..)` here also supports a generator as a handler
 ```javascript
 var expand = function*(n){ 
     yield* (new Array(n)).fill(n) }
@@ -1647,8 +1647,8 @@ var expand = function*(n){
 // will create: [1, 2, 2, 3, 3, 3]
 var L = [1,2,3]
     .iter()
-    .map(expand)
-    .toArray()
+        .map(expand)
+        .toArray()
 ```
 
 <!--
diff --git a/generator.js b/generator.js
index 2518d37..46a6f94 100644
--- a/generator.js
+++ b/generator.js
@@ -239,6 +239,8 @@ object.Mixin('GeneratorProtoMixin', 'soft', {
 
 	// NOTE: if func is instanceof Generator then it's result (iterator) 
 	// 		will be expanded...
+	// NOTE: there is no point to add generator-handler support to either 
+	// 		.filter(..)  or .reduce(..)
 	map: function*(func){
 		var i = 0
 		if(func instanceof Generator){