--- a/extensions.st	Tue Apr 17 08:26:11 2018 +0200
+++ b/extensions.st	Wed Apr 18 05:17:00 2018 +0200
@@ -350,11 +350,11 @@
 !Change methodsFor:'inspecting'!
 
 inspectorExtraAttributes
-    |attr|
-
-    attr := super inspectorExtraAttributes.
-    attr add:'-source' -> [ self source ].
-    ^ attr
+    |attrs|
+
+    attrs := super inspectorExtraAttributes.
+    attrs add:'-source' -> [ self source ].
+    ^ attrs
 
     "Created: / 20-02-2017 / 16:34:26 / cg"
 ! !