diff --git a/iwanami/068/025/030.txt b/iwanami/068/025/030.txt
index c1afed9d4940bcafe384045a25ee0c68b20c93e6..e6ce9ada616bcc75787a3fe2f15ed078998397b7 100644
--- a/iwanami/068/025/030.txt
+++ b/iwanami/068/025/030.txt
@@ -337,13 +337,15 @@
 5	友	友	NOUN	n,名詞,人,関係	_	2	obj	_	Gloss=friend|SpaceAfter=No
 6	伴	伴	VERB	v,動詞,行為,動作	_	5	amod	_	SpaceAfter=No
 
-# text = 強使祓除由是
+# text = 強使祓除
 1	強	強	VERB	v,動詞,描写,形質	Degree=Pos	2	advmod	_	Gloss=strong|SpaceAfter=No
 2	使	使	VERB	v,動詞,行為,使役	_	0	root	_	Gloss=[make-to-do]|SpaceAfter=No
 3	祓	祓	VERB	v,動詞,行為,儀礼	_	2	ccomp	_	SpaceAfter=No
 4	除	除	VERB	v,動詞,行為,動作	_	3	flat:vv	_	Gloss=eliminate|SpaceAfter=No
-5	由	由	VERB	v,動詞,行為,動作	_	_	_	_	Gloss=proceed-from|SpaceAfter=No
-6	是	是	PRON	n,代名詞,指示,*	PronType=Dem	5	obj	_	Gloss=this|SpaceAfter=No
+
+# text = 由是
+1	由	由	VERB	v,動詞,行為,動作	_	0	root	_	Gloss=proceed-from|SpaceAfter=No
+2	是	是	PRON	n,代名詞,指示,*	PronType=Dem	1	obj	_	Gloss=this|SpaceAfter=No
 
 # text = 兄雖臥死於路其弟不收者多
 1	兄	兄	NOUN	n,名詞,人,関係	_	3	nsubj	_	Gloss=elder-brother|SpaceAfter=No