diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 6715f65..5abc4e9 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -5304,6 +5304,14 @@
 	command is given.  If the Normal group colors are changed later, the
 	"fg" and "bg" colors will not be adjusted.
 
+ctermfont={font-nr}				*highlight-ctermfont*
+	This gives the alternative font number to use in the terminal. The
+	available fonts depend on the terminal, and if the terminal is not set
+	up for alternative fonts this simply won't do anything. The range of
+	{font-nr} is 0-10 where 0 resets the font to the default font, 1-9
+	selects one of the 9 alternate fonts, and 10 selects the Fraktur font.
+	For more information see your terminal's handling of SGR parameters
+	10-20. |t_CF|
 
 3. highlight arguments for the GUI
 
diff --git a/runtime/doc/tags b/runtime/doc/tags
index 8851860..d7eb1dd 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -7947,6 +7947,7 @@
 highlight-cterm	syntax.txt	/*highlight-cterm*
 highlight-ctermbg	syntax.txt	/*highlight-ctermbg*
 highlight-ctermfg	syntax.txt	/*highlight-ctermfg*
+highlight-ctermfont	syntax.txt	/*highlight-ctermfont*
 highlight-ctermul	syntax.txt	/*highlight-ctermul*
 highlight-default	syntax.txt	/*highlight-default*
 highlight-font	syntax.txt	/*highlight-font*
diff --git a/runtime/doc/term.txt b/runtime/doc/term.txt
index 546b0bf..8154ec5 100644
--- a/runtime/doc/term.txt
+++ b/runtime/doc/term.txt
@@ -1,4 +1,4 @@
-*term.txt*      For Vim version 9.1.  Last change: 2023 Dec 09
+*term.txt*      For Vim version 9.1.  Last change: 2024 Jan 15
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -448,6 +448,7 @@
 	t_AU	set underline color (ANSI)			*t_AU* *'t_AU'*
 	t_Ce	undercurl and underline end			*t_Ce* *'t_Ce'*
 	t_Cs	undercurl (curly underline) mode		*t_Cs* *'t_Cs'*
+	t_CF	set alternate font (using index 0 - 10)		*t_CF* *'t_CF'*
 	t_Us	double underline mode				*t_Us* *'t_Us'*
 	t_ds	dotted underline mode				*t_ds* *'t_ds'*
 	t_Ds	dashed underline mode				*t_Ds* *'t_Ds'*