diff --git a/manual/template_lang.rst b/manual/template_lang.rst
index 2693878f56..9351058b6d 100644
--- a/manual/template_lang.rst
+++ b/manual/template_lang.rst
@@ -184,43 +184,43 @@ shows the tags for a book, if any. If it has no tags then it show `No tags on th
 
 The following functions are usable in Single Function Mode because their first parameter is ``value``.
 
-* :ref:`ff_capitalize`
-* :ref:`ff_ceiling`
-* :ref:`ff_cmp`
-* :ref:`ff_contains`
-* :ref:`ff_date_arithmetic`
-* :ref:`ff_floor`
-* :ref:`ff_format_date`
-* :ref:`ff_format_number`
-* :ref:`ff_fractional_part`
-* :ref:`ff_human_readable`
-* :ref:`ff_ifempty`
-* :ref:`ff_language_strings`
-* :ref:`ff_list_contains`
-* :ref:`ff_list_count`
-* :ref:`ff_list_count_matching`
-* :ref:`ff_list_item`
-* :ref:`ff_list_sort`
-* :ref:`ff_lookup`
-* :ref:`ff_lowercase`
-* :ref:`ff_mod`
-* :ref:`ff_rating_to_stars`
-* :ref:`ff_re`
-* :ref:`ff_re_group`
-* :ref:`ff_round`
-* :ref:`ff_select`
-* :ref:`ff_shorten`
-* :ref:`ff_str_in_list`
-* :ref:`ff_subitems`
-* :ref:`ff_sublist`
-* :ref:`ff_substr`
-* :ref:`ff_swap_around_articles`
-* :ref:`ff_swap_around_comma`
-* :ref:`ff_switch`
-* :ref:`ff_test`
-* :ref:`ff_titlecase`
-* :ref:`ff_transliterate`
-* :ref:`ff_uppercase`
+* :ffsum:`ff_capitalize`
+* :ffsum:`ff_ceiling`
+* :ffsum:`ff_cmp`
+* :ffsum:`ff_contains`
+* :ffsum:`ff_date_arithmetic`
+* :ffsum:`ff_floor`
+* :ffsum:`ff_format_date`
+* :ffsum:`ff_format_number`
+* :ffsum:`ff_fractional_part`
+* :ffsum:`ff_human_readable`
+* :ffsum:`ff_ifempty`
+* :ffsum:`ff_language_strings`
+* :ffsum:`ff_list_contains`
+* :ffsum:`ff_list_count`
+* :ffsum:`ff_list_count_matching`
+* :ffsum:`ff_list_item`
+* :ffsum:`ff_list_sort`
+* :ffsum:`ff_lookup`
+* :ffsum:`ff_lowercase`
+* :ffsum:`ff_mod`
+* :ffsum:`ff_rating_to_stars`
+* :ffsum:`ff_re`
+* :ffsum:`ff_re_group`
+* :ffsum:`ff_round`
+* :ffsum:`ff_select`
+* :ffsum:`ff_shorten`
+* :ffsum:`ff_str_in_list`
+* :ffsum:`ff_subitems`
+* :ffsum:`ff_sublist`
+* :ffsum:`ff_substr`
+* :ffsum:`ff_swap_around_articles`
+* :ffsum:`ff_swap_around_comma`
+* :ffsum:`ff_switch`
+* :ffsum:`ff_test`
+* :ffsum:`ff_titlecase`
+* :ffsum:`ff_transliterate`
+* :ffsum:`ff_uppercase`
 
 **Using functions and formatting in the same template**