diff --git a/master/images/text/text-wrap-vertical.svg b/master/images/text/text-wrap-vertical.svg
index 76489146..7fc53e1c 100644
--- a/master/images/text/text-wrap-vertical.svg
+++ b/master/images/text/text-wrap-vertical.svg
@@ -3,7 +3,7 @@
 <svg xmlns="http://www.w3.org/2000/svg"
    width="100" height="300" viewBox="0 0 100 300">
 
-  <text x="62.5" y="25" inline-size="200"
+  <text x="62.5" y="25" inline-size="250"
 	writing-mode="tb-rl"
 	font-family="IPAMincho"
 	font-size="25px">テキストは１０文字の<tspan x="37.5" y="25">後に折り返されます。</tspan></text>
diff --git a/master/text.html b/master/text.html
index 88736f1c..336bd78c 100644
--- a/master/text.html
+++ b/master/text.html
@@ -2126,8 +2126,8 @@ <h3 id='InlineSize'>The <span class="property">'inline-size'</span> property</h3
 <svg xmlns="http://www.w3.org/2000/svg"
      width="100" height="300" viewBox="0 0 100 300">
 
-  <text x="62.5" y="25" inline-size="200"
-	style="font: 25px IPAMincho; inline-size: 200px; writing-mode: vertical-rl;">
+  <text x="62.5" y="25" inline-size="250"
+	style="font: 25px IPAMincho; inline-size: 250px; writing-mode: vertical-rl;">
     テキストは１０文字後に折り返されます。</text>
 
 </svg>