diff --git a/bookkeeping-jp.cabal b/bookkeeping-jp.cabal
--- a/bookkeeping-jp.cabal
+++ b/bookkeeping-jp.cabal
@@ -1,5 +1,5 @@
 name:                bookkeeping-jp
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Helper functions for Japanese bookkeeping.
 description:
     Helper functions of [bookkeeping module](https://github.com/arowM/haskell-bookkeeping#readme) for Japanese bookkeeping.
diff --git a/src/Business/Bookkeeping/JP/SelfEmployed.hs b/src/Business/Bookkeeping/JP/SelfEmployed.hs
--- a/src/Business/Bookkeeping/JP/SelfEmployed.hs
+++ b/src/Business/Bookkeeping/JP/SelfEmployed.hs
@@ -38,6 +38,7 @@
 
 {- $expences
   経費の支払いに使うヘルパ関数群.
+
 >>> :{
 ppr $ year 2015 $ do
   month 1 $ do
@@ -114,6 +115,7 @@
 
 {- $sales
   売上があった場合に使うヘルパ関数群.
+
 >>> :{
 let
   _ジャパリパーク技術顧問料 :: Month -> Date -> YearTransactions