diff --git a/runtime/doc/digraph.txt b/runtime/doc/digraph.txt
index 918bdd8..e9bdeb5 100644
--- a/runtime/doc/digraph.txt
+++ b/runtime/doc/digraph.txt
@@ -1,4 +1,4 @@
-*digraph.txt*   For Vim version 9.0.  Last change: 2022 Nov 22
+*digraph.txt*   For Vim version 9.0.  Last change: 2023 Mar 21
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -547,7 +547,7 @@
 Θ	H*	0398	0920	GREEK CAPITAL LETTER THETA
 Ι	I*	0399	0921	GREEK CAPITAL LETTER IOTA
 Κ	K*	039A	0922	GREEK CAPITAL LETTER KAPPA
-Λ	L*	039B	0923	GREEK CAPITAL LETTER LAMDA
+Λ	L*	039B	0923	GREEK CAPITAL LETTER LAMDA (aka LAMBDA)
 Μ	M*	039C	0924	GREEK CAPITAL LETTER MU
 Ν	N*	039D	0925	GREEK CAPITAL LETTER NU
 Ξ	C*	039E	0926	GREEK CAPITAL LETTER XI
@@ -578,7 +578,7 @@
 θ	h*	03B8	0952	GREEK SMALL LETTER THETA
 ι	i*	03B9	0953	GREEK SMALL LETTER IOTA
 κ	k*	03BA	0954	GREEK SMALL LETTER KAPPA
-λ	l*	03BB	0955	GREEK SMALL LETTER LAMDA
+λ	l*	03BB	0955	GREEK SMALL LETTER LAMDA (aka LAMBDA)
 μ	m*	03BC	0956	GREEK SMALL LETTER MU
 ν	n*	03BD	0957	GREEK SMALL LETTER NU
 ξ	c*	03BE	0958	GREEK SMALL LETTER XI