diff --git a/doc/filters.texi b/doc/filters.texi
index 3ae3c46d26..06ca2e03b7 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -7135,6 +7135,14 @@ FOD=5 # fade out duration
 ffplay -f lavfi "color,drawtext=text=TEST:fontsize=50:fontfile=FreeSerif.ttf:fontcolor_expr=ff0000%@{eif\\\\: clip(255*(1*between(t\\, $DS + $FID\\, $DE - $FOD) + ((t - $DS)/$FID)*between(t\\, $DS\\, $DS + $FID) + (-(t - $DE)/$FOD)*between(t\\, $DE - $FOD\\, $DE) )\\, 0\\, 255) \\\\: x\\\\: 2 @}"
 @end example
 
+@item
+Horizontally align multiple separate texts. Note that @option{max_glyph_a}
+and the @option{fontsize} value are included in the @option{y} offset.
+@example
+drawtext=fontfile=FreeSans.ttf:text=DOG:fontsize=24:x=10:y=20+24-max_glyph_a,
+drawtext=fontfile=FreeSans.ttf:text=cow:fontsize=24:x=80:y=20+24-max_glyph_a
+@end example
+
 @end itemize
 
 For more information about libfreetype, check: