diff --git a/etg/grid.py b/etg/grid.py
index 0d91954a..78b1dc4f 100644
--- a/etg/grid.py
+++ b/etg/grid.py
@@ -271,7 +271,7 @@ def run():
 
     
     #----------------------------------------------------------------- 
-    # The insanceCode attribute is code that is used to make a default
+    # The instanceCode attribute is code that is used to make a default
     # instance of the class. We can't create them using the same class in
     # this case because they are abstract.