diff --git a/beautiful-racket-lib/br/subscope.rkt b/beautiful-racket-lib/br/subscope.rkt
index 36e05cd..d3d9674 100644
--- a/beautiful-racket-lib/br/subscope.rkt
+++ b/beautiful-racket-lib/br/subscope.rkt
@@ -2,18 +2,18 @@
 (provide (all-defined-out))
 
 (define #'(introduce-scope _color . _parents)
-  (replace-context #'_color
-                   (with-syntax ([color #'_color]
-                                 [color-string (format "~a" (syntax->datum #'_color))]
-                                 [define:color (format-id #f "define:~a" #'_color)]
-                                 [id:color (format-id #f "id:~a" #'_color)]
-                                 [color-binding-id (format-id #f "~a-binding-id" #'_color)]
-                                 [color-binding-form (format-id #f "~a-binding-form" #'_color)]
-                                 [color-id (format-id #f "~a-id" #'_color)]
-                                 [module-name (generate-temporary)]
-                                 [parents (if (pair? (syntax->list #'_parents))
-                                              (car (syntax->list #'_parents))
-                                              (syntax->list #'_parents))])
+  (with-syntax ([color #'_color]
+                [color-string (format "~a" (syntax->datum #'_color))]
+                [color:define (format-id #f "~a:define" #'_color)]
+                [color:id (format-id #f "~a:id" #'_color)]
+                [color-binding-id (format-id #f "~a-binding-id" #'_color)]
+                [color-binding-form (format-id #f "~a-binding-form" #'_color)]
+                [color-id (format-id #f "~a-id" #'_color)]
+                [module-name (generate-temporary)]
+                [parents (if (pair? (syntax->list #'_parents))
+                             (car (syntax->list #'_parents))
+                             (syntax->list #'_parents))])
+    (replace-context #'_color
                      #'(begin
                          (module module-name br
                            (require (for-syntax br/datum br/syntax))
@@ -22,13 +22,13 @@
                            (begin-for-syntax
                              (define-scope color parents))
                            
-                           (define #'(define:color _id-in _expr)
-                             (with-syntax* ([id:color (shared-syntax (format-datum "~a:~a" #'_id-in color-string))]
+                           (define #'(color:define _id-in _expr)
+                             (with-syntax* ([color:id (shared-syntax (format-datum "~a:~a" color-string #'_id-in))]
                                             [color-binding-id (color-binding-form #'_id-in)]
                                             [color-id (color #'color-binding-id)])
                                #'(begin
                                    (define color-binding-id _expr)
-                                   (define-syntax id:color
+                                   (define-syntax color:id
                                      (syntax-id-rules ()
                                        [_ color-id]))))))
                          (require 'module-name)))))
diff --git a/beautiful-racket-lib/br/syntax-scopes-test-3.rkt b/beautiful-racket-lib/br/syntax-scopes-test-3.rkt
index 97d6d4d..a3d201a 100644
--- a/beautiful-racket-lib/br/syntax-scopes-test-3.rkt
+++ b/beautiful-racket-lib/br/syntax-scopes-test-3.rkt
@@ -4,18 +4,19 @@
 (introduce-scope blue)
 (introduce-scope red)
 
-#;(introduce-scope purple (red blue))
-
-
 (define #'(double-x)
   (with-blue-identifiers (x)
-                         #'(+ x x)))
+                         #'(set! x (+ x x))))
+
+(define #'(display-x)
+  (with-blue-identifiers (x)
+                         #'(displayln x)))
+
 
+(blue:define x 42)
 
-(define:blue x 50)
-x:blue
+blue:x
 
-(define:red x 42)
-x:red
+(double-x)
 
-(double-x)
\ No newline at end of file
+(display-x)
\ No newline at end of file