diff --git a/css-color-hdr-1/Overview.bs b/css-color-hdr-1/Overview.bs
index 9ee820929175..b12ef0056369 100644
--- a/css-color-hdr-1/Overview.bs
+++ b/css-color-hdr-1/Overview.bs
@@ -585,7 +585,7 @@ Mixing Dynamic Range Limits: the ''dynamic-range-limit-mix()'' function {#dynami
 	Its syntax is as follows:
 
 	<pre class='prod'>
-		<dfn>hdr-color()</dfn> = color-hdr([ <<color>> && <<number [0,infinity]>>? ]#{2})
+		<dfn>hdr-color()</dfn> = color-hdr([ <<color>> && <<number [0,∞]>>? ]#{2})
 	</pre>
 
 	<div class="example" id="ex-hdr-color-simple">
diff --git a/css-flexbox-2/Overview.bs b/css-flexbox-2/Overview.bs
index 703b54654057..45afe8f93b91 100644
--- a/css-flexbox-2/Overview.bs
+++ b/css-flexbox-2/Overview.bs
@@ -2230,7 +2230,7 @@ Minimum Flex Lines: the 'flex-line-count' property</h3>
 
 	<pre class='propdef'>
 	Name: flex-line-count
-	Value: <<integer [1, infinity]>>
+	Value: <<integer [1,∞]>>
 	Initial: 1
 	Applies to: [=multi-line=] [=flex containers=]
 	Inherited: no