diff --git a/IPython/nbconvert/exporters/export.py b/IPython/nbconvert/exporters/export.py
index 621b6c7..eb35a04 100755
--- a/IPython/nbconvert/exporters/export.py
+++ b/IPython/nbconvert/exporters/export.py
@@ -215,6 +215,6 @@ def get_export_names():
     # grab everything after 'export_'
     l = [x[len('export_'):] for x in __all__ if x.startswith('export_')]
     
-	# filter out the one method that is not a template
+    # filter out the one method that is not a template
     l = [x for x in l if 'by_name' not in x]
     return sorted(l)