diff --git a/css-writing-modes-3/Overview.bs b/css-writing-modes-3/Overview.bs
index 0d2cf8662b9e..a3e14c1497ec 100644
--- a/css-writing-modes-3/Overview.bs
+++ b/css-writing-modes-3/Overview.bs
@@ -2463,6 +2463,7 @@ Privacy and Security Considerations {#priv-sec}
Fixed the fallback “available space” for orthogonal flows
to handle 'max-height' (and 'min-height') which it forgot to consider.
(Issue 2239)
+ direction, unicode-bidi and writing-mode became not animatable.
diff --git a/css-writing-modes-4/Overview.bs b/css-writing-modes-4/Overview.bs
index 3441b7deb3ba..3f7f16e8fb02 100644
--- a/css-writing-modes-4/Overview.bs
+++ b/css-writing-modes-4/Overview.bs
@@ -225,7 +225,7 @@ Specifying Directionality: the 'direction' property
Inherited: yes
Percentages: n/a
Computed value: specified value
- Animatable: no
+ Animation type: not animatable
Canonical order: n/a
@@ -276,6 +276,7 @@ Embeddings and Overrides: the 'unicode-bidi' property
Inherited: no
Percentages: n/a
Computed value: specified value
+ Animation type: not animatable
Because HTML UAs can turn off CSS styling,
@@ -856,7 +857,7 @@ Block Flow Direction: the 'writing-mode' property
Inherited: yes
Percentages: n/a
Computed value: specified value
- Animatable: no
+ Animation type: not animatable
Canonical order: n/a