diff --git a/man/epubgrep.1.adoc b/man/epubgrep.1.adoc
index bc6277d..63c3458 100644
--- a/man/epubgrep.1.adoc
+++ b/man/epubgrep.1.adoc
@@ -2,7 +2,7 @@
 :doctype:       manpage
 :Author:        tastytea
 :Email:         tastytea@tastytea.de
-:Date:          2021-06-02
+:Date:          2021-06-06
 :Revision:      0.0.0
 :man source:    epubgrep
 :man manual:    General Commands Manual
@@ -159,6 +159,9 @@ valid UTF-8). If your system locale is not UTF-8, files may be silently skipped.
 You can work around this by calling epubgrep like this:
 `LC_ALL="C.UTF-8" epubgrep`
 
+During cleanup, epubgrep inserts pseudo-HTML tags into the text to mark the page
+numbers. Searching for a phrase that spans a page boundary will not work.
+
 == REPORTING BUGS
 
 Bugtracker: https://schlomp.space/tastytea/epubgrep/issues