diff --git a/SPEC.md b/SPEC.md
index 4b28932..d1e56fc 100644
--- a/SPEC.md
+++ b/SPEC.md
@@ -413,6 +413,7 @@ space](https://www.unicode.org/Public/UCD/latest/ucd/PropList.txt):
 | Name                 | Code Pt |
 |----------------------|---------|
 | Character Tabulation | `U+0009`  |
+| Line Tabulation      | `U+000B`  |
 | Space                | `U+0020`  |
 | No-Break Space       | `U+00A0`  |
 | Ogham Space Mark     | `U+1680`  |