Doc: fix menu

Author: hhugo

doc/manual/src/menu.wiki

@@ -8,17 +8,17 @@
 =Js_of_ocaml_lwt - Reference Manual
 ==[[lwt|Lwt support]]
 
-==Syntaxes
-===[[ppx|Ppx syntax extension]]
-===[[camlp4|Camlp4 syntax extension]]
+=Syntaxes
+==[[ppx|Ppx syntax extension]]
+==[[camlp4|Camlp4 syntax extension]]
 
-==Compiler
-===[[options|Command line options]]
-===[[linker|Link javascript code]]
-===[[separate-compilation|Separate compilation]]
-===[[tailcall|About tailcall optimization]]
+=Compiler
+==[[options|Command line options]]
+==[[linker|Link javascript code]]
+==[[separate-compilation|Separate compilation]]
+==[[tailcall|About tailcall optimization]]
 
-==Misc
+=Misc
 ==[[debug|How to debug a program]]
 ==[[contribute|How to contribute]]
 ==[[performances|Performances]]