fix typo

doc/bugs/typo_in_ikiwiki.setup.mdwn

@@ -6,3 +6,4 @@ instead of
 
 	#htmlext => '.htm',
 
+> [[done]] --[[Joey]]

doc/ikiwiki.setup

@@ -87,7 +87,7 @@ use IkiWiki::Setup::Standard {
 	# the default exclude list.
 	#exclude => qr/*\.wav/,
 	# To change the extension used for generated html files.
-	#htmlext => '.htm',
+	#htmlext => 'htm',
 	# Time format (for strftime)
 	#timeformat => '%c',
 	# Locale to use. Must be a UTF-8 locale.