diff --git a/lib/libc/gen/err.3 b/lib/libc/gen/err.3
index 5eddc9fb863..5abf7c1043e 100644
--- a/lib/libc/gen/err.3
+++ b/lib/libc/gen/err.3
@@ -114,7 +114,7 @@ and
 .Fn vwarnc
 functions append an error message obtained from
 .Xr strerror 3
-based on a code or the global variable
+based on a supplied error code value or the global variable
 .Va errno ,
 preceded by another colon and space unless the
 .Fa fmt