diff --git a/repository/Grafoscopio/GrafoscopioButtonModel.class.st b/repository/Grafoscopio/GrafoscopioButtonModel.class.st
index 8db3580..89ad1d4 100644
--- a/repository/Grafoscopio/GrafoscopioButtonModel.class.st
+++ b/repository/Grafoscopio/GrafoscopioButtonModel.class.st
@@ -1,3 +1,9 @@
+"
+I'm just a prototype of how morphic buttons can be embedded
+inside a Grafoscopio notebook UI via Spec.
+I'm not used in the actual UI, but I'm more a remainder of directions
+to explore.
+"
 Class {
 	#name : #GrafoscopioButtonModel,
 	#superclass : #ComposableModel,
diff --git a/repository/Grafoscopio/GrafoscopioCodeModel.class.st b/repository/Grafoscopio/GrafoscopioCodeModel.class.st
index 55fb6a1..2898446 100644
--- a/repository/Grafoscopio/GrafoscopioCodeModel.class.st
+++ b/repository/Grafoscopio/GrafoscopioCodeModel.class.st
@@ -1,3 +1,7 @@
+"
+I represent a Pharo code node inside a Grafoscopio notebook as a 
+embedded interactive Playground.
+"
 Class {
 	#name : #GrafoscopioCodeModel,
 	#superclass : #ComposableModel,
diff --git a/repository/Grafoscopio/GrafoscopioTextModel.class.st b/repository/Grafoscopio/GrafoscopioTextModel.class.st
index 146a109..e9dc19a 100644
--- a/repository/Grafoscopio/GrafoscopioTextModel.class.st
+++ b/repository/Grafoscopio/GrafoscopioTextModel.class.st
@@ -1,3 +1,7 @@
+"
+I represent a text node inside a Grafoscopio notebook.
+Usually my content is markdown text.
+"
 Class {
 	#name : #GrafoscopioTextModel,
 	#superclass : #ComposableModel,