diff --git a/source/GM-TE/GMTEButtonGroup.class.st b/source/GM-TE/GMTEButtonGroup.class.st
index 6e47055d..ebb88f35 100644
--- a/source/GM-TE/GMTEButtonGroup.class.st
+++ b/source/GM-TE/GMTEButtonGroup.class.st
@@ -1,7 +1,11 @@
+"
+Buttons can join a GMTEButtonGroup, which then ensures that only one of them is active at a time.
+"
 Class {
 	#name : #GMTEButtonGroup,
 	#superclass : #Dictionary,
-	#category : #'GM-TE-Core'
+	#category : #'GM-TE-Core',
+	#'squeak_changestamp' : 'mcjj 7/12/2024 23:26'
 }
 
 {
diff --git a/source/GM-TE/GMTEEditor.class.st b/source/GM-TE/GMTEEditor.class.st
index 869c06d6..bde26ae7 100644
--- a/source/GM-TE/GMTEEditor.class.st
+++ b/source/GM-TE/GMTEEditor.class.st
@@ -1356,14 +1356,15 @@ GMTEEditor >> initialize [
 
 {
 	#category : #initialization,
-	#'squeak_changestamp' : 'tw 7/12/2024 23:03'
+	#'squeak_changestamp' : 'mcjj 7/12/2024 23:31'
 }
 GMTEEditor >> initializeBrush [
 	"Necessary so the button knows it is selected"
 	
 	self 
 		brush: GMTEBrush new;
-		selectRadiusBrush.
+		selectRadiusBrush;
+		changed: #getBrushRadiusAsString
 ]
 
 {