diff --git a/doc/lib.m4 b/doc/lib.m4
index bf5d9270b..7bd9fa809 100644
--- a/doc/lib.m4
+++ b/doc/lib.m4
@@ -26,7 +26,8 @@ m4_dnl | <a href="/doc/0.27/manual.html#$1">0.27</a>
 </span>)m4_dnl
 m4_dnl
 m4_define({{_toc_}},{{
-* toc}})m4_dnl
+* toc
+}})m4_dnl
 m4_dnl
 m4_dnl _table_({{
 m4_dnl | cell1 | cell2 ...