diff --git a/relational-query.cabal b/relational-query.cabal
--- a/relational-query.cabal
+++ b/relational-query.cabal
@@ -1,5 +1,5 @@
 name:                relational-query
-version:             0.0.1.9
+version:             0.0.1.10
 synopsis:            Typeful, Modular, Relational, algebraic query engine
 description:         This package contiains typeful relation structure and
                      relational-algebraic query building DSL which can
diff --git a/src/Database/Relational/Query/Type.hs b/src/Database/Relational/Query/Type.hs
--- a/src/Database/Relational/Query/Type.hs
+++ b/src/Database/Relational/Query/Type.hs
@@ -93,7 +93,7 @@
 unsafeTypedKeyUpdate :: Pi a p -> String -> KeyUpdate p a
 unsafeTypedKeyUpdate =  KeyUpdate
 
--- | Make typed 'KeyUpdate' from 'Table' and key indexes.
+-- | Make typed 'KeyUpdate' from 'Table' and key columns selector 'Pi'.
 typedKeyUpdate :: Table a -> Pi a p -> KeyUpdate p a
 typedKeyUpdate tbl key = unsafeTypedKeyUpdate key $ updateOtherThanKeySQL tbl key
 
@@ -183,12 +183,12 @@
 unsafeTypedInsert :: String -> Insert a
 unsafeTypedInsert q = unsafeTypedInsert' q q 1
 
--- | Make typed 'Insert' from columns selector 'Pi' and 'Table'.
+-- | Make typed 'Insert' from 'Table' and columns selector 'Pi' with configuration parameter.
 typedInsert' :: Config -> Table r -> Pi r r' -> Insert r'
 typedInsert' config tbl pi' = unsafeTypedInsert' (insertSQL pi' tbl) ci n  where
   (ci, n) = insertSizedChunkSQL pi' tbl $ chunksInsertSize config
 
--- | Make typed 'Insert' from columns selector 'Pi' and 'Table'.
+-- | Make typed 'Insert' from 'Table' and columns selector 'Pi'.
 typedInsert :: Table r -> Pi r r' -> Insert r'
 typedInsert =  typedInsert' defaultConfig