--- a/Preferences/__init__.py	Wed Jun 15 18:47:01 2011 +0200
+++ b/Preferences/__init__.py	Thu Jun 16 16:29:27 2011 +0200
@@ -292,7 +292,7 @@
         "AutoSpellCheckChunkSize": 30,
         "SpellCheckStringsOnly": True,
         "SpellCheckingMinWordSize": 3,
-        "SpellCheckingDefaultLanguage": "en",
+        "SpellCheckingDefaultLanguage": "en_US",
         "SpellCheckingPersonalWordList": "",
         "SpellCheckingPersonalExcludeList": "",