[css-writing-modes] text-combine-horizontal:digits only accepts 2-4 (drop digits 1)

Author: kojiishi

css-writing-modes/Overview.html

@@ -2238,7 +2238,7 @@ <h3 class="heading settled heading" data-level=9.1 id=text-combine-horizontal><s
       as if it were in an anonymous inline box with
       <a class=css data-link-type=maybe href=#propdef-text-combine-horizontal title=text-combine-horizontal>text-combine-horizontal: all</a>.
       When the integer is omitted, 2 is used.
-      Integers outside the range 1-4 are invalid.
+      Integers outside the range 2-4 are invalid.
 <!--
     <dt><dfn value for=text-combine-horizontal>alpha</dfn>
     <dd>Within the element, each sequence of consecutive horizontal letters

css-writing-modes/Overview.src.html

@@ -2249,7 +2249,7 @@ <h3 id="text-combine-horizontal">
       as if it were in an anonymous inline box with
       ''text-combine-horizontal: all''.
       When the integer is omitted, 2 is used.
-      Integers outside the range 1-4 are invalid.
+      Integers outside the range 2-4 are invalid.
 <!--
     <dt><dfn value for=text-combine-horizontal>alpha</dfn>
     <dd>Within the element, each sequence of consecutive horizontal letters