diff --git a/source/text.tex b/source/text.tex
index 8aaeb5b7c9..b17ebef02a 100644
--- a/source/text.tex
+++ b/source/text.tex
@@ -13293,6 +13293,7 @@
   using mbstate_t = @\seebelow@;
   using size_t = @\textit{see \ref{support.types.layout}}@;
 
+  // \ref{c.mb.wcs}, multibyte / wide string and character conversion functions
   size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps);
   size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps);
   size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps);