Add comment about optional option for keeping indentation level from previous
line.
diff --git a/Misc/vimrc b/Misc/vimrc
index 8c69b69..7cd33db 100644
--- a/Misc/vimrc
+++ b/Misc/vimrc
@@ -80,7 +80,8 @@
 "``let python_highlight_all=1``
 "``syntax on``
 
-" Automatically indent: ``filetype indent on``
+" Automatically indent based on file type: ``filetype indent on``
+" Keep indentation level from previous line: ``set autoindent``
 
 " Folding based on indentation: ``set foldmethod=indent``