diff --git a/css-regions-1/Overview.bs b/css-regions-1/Overview.bs
index 08244bb4d52b..a2a44e734b53 100644
--- a/css-regions-1/Overview.bs
+++ b/css-regions-1/Overview.bs
@@ -571,7 +571,7 @@ The 'flow-from' property
Name: flow-from
Value: <
This might be expanded in future versions of the specification to allow other types of containers to receive flow content.
+ Applies To: Non-replaced block containers.
This might be expanded in future versions of the specification to allow other types of containers to receive flow content.
Inherited: no
Computed Value: as specified
Animation type: not animatable
@@ -595,7 +595,7 @@ The 'flow-from' property
<overflow
property value can be used to control the
visibility of the overflowing content and the
@@ -1613,10 +1613,10 @@ The Region Flow Content Box (RFCB)
as for any other block container box.
The RFCB is a
- block container box
+ block container box
with a computed 'width' of ''width/auto'' and whose used 'height' is resolved as detailed below.
- Since the RFCB is a block container box, the ::before box and ::after box will also be block containers, though the contents of ::before and ::after may be inline within those boxes.
+ Since the RFCB is a block container box, the ::before box and ::after box will also be block containers, though the contents of ::before and ::after may be inline within those boxes.
RFCB 'width' resolution