diff --git a/lib/libc/gen/vis.3 b/lib/libc/gen/vis.3
index 18c434445b4..a2057b606bb 100644
--- a/lib/libc/gen/vis.3
+++ b/lib/libc/gen/vis.3
@@ -156,8 +156,8 @@ tab, newline, backspace, bell, and return - in addition
 to all graphic characters - unencoded.
 .El
 .Pp
-There are three forms of encoding.
-All forms use the backslash character
+There are four forms of encoding.
+Most forms use the backslash character
 .Ql \e
 to introduce a special
 sequence; two backslashes are used to represent a real backslash.