diff --git a/runtime/doc/help.txt b/runtime/doc/help.txt
index db803ef..d1af85e 100644
--- a/runtime/doc/help.txt
+++ b/runtime/doc/help.txt
@@ -161,6 +161,8 @@
 |filetype.txt|	settings done specifically for a type of file
 |quickfix.txt|	commands for a quick edit-compile-fix cycle
 |ft_ada.txt|	Ada (the programming language) support
+|ft_context.txt|	Filetype plugin for ConTeXt
+|ft_mp.txt|	Filetype plugin for METAFONT and MetaPost
 |ft_ps1.txt|	Filetype plugin for Windows PowerShell
 |ft_raku.txt|	Filetype plugin for Raku
 |ft_rust.txt|	Filetype plugin for Rust