diff --git a/patches/january_2013/report_permission.py b/patches/january_2013/report_permission.py
index 5e69229..1465352 100644
--- a/patches/january_2013/report_permission.py
+++ b/patches/january_2013/report_permission.py
@@ -2,9 +2,13 @@
 def execute():
 	webnotes.reload_doc("core", "doctype", "docperm")
 	webnotes.conn.sql("""update tabDocPerm set `report`=`write`""")
+
+	# no report for singles
 	webnotes.conn.sql("""update tabDocPerm, tabDocType set tabDocPerm.`report`=0
 		where tabDocPerm.`parent` = tabDocType.name
 		and ifnull(tabDocType.issingle,0) = 1""")
+
+	# no submit for not submittables
 	webnotes.conn.sql("""update tabDocPerm, tabDocType set tabDocPerm.`submit`=0
 		where tabDocPerm.`parent` = tabDocType.name
 		and ifnull(tabDocType.is_submittable,0) = 0""")		
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