--- doc/plugins/Makefile.am.orig	2018-06-29 19:01:30 UTC
+++ doc/plugins/Makefile.am
@@ -1,5 +1,6 @@
 docfiles = \
 	imapsieve.txt \
+	imap_filter_sieve.txt \
 	sieve_extprograms.txt
 
 if BUILD_DOCS