diff --git a/nselib/pcre.luadoc b/nselib/pcre.luadoc
index 726ed424e..c9f59ed8d 100644
--- a/nselib/pcre.luadoc
+++ b/nselib/pcre.luadoc
@@ -1,4 +1,4 @@
---- Perl Compatible Regular Expressions
+--- Perl Compatible Regular Expressions.
 -- \n\n
 -- One of Lua's quirks is its string patterns. While they have great performance
 -- and are tightly integrated into the Lua interpreter, they are very different