Regression fix: only repeat a single step

Regressed in ca5823d.

Fixes whatwg#2958.

Author: annevk

source

@@ -27629,7 +27629,7 @@ was an English &lt;a href="/wiki/Music_hall">music hall&lt;/a> singer, ...</pre>
 
     </ol>
 
-    <p>Otherwise, while true:</p>
+    <p>Otherwise:</p>
 
     <ol>
 
@@ -27743,7 +27743,8 @@ was an English &lt;a href="/wiki/Music_hall">music hall&lt;/a> singer, ...</pre>
 
       </dl>
 
-      <p>Advance <var>position</var> to the next character in <var>input</var>.</p>
+      <p>Advance <var>position</var> to the next character in <var>input</var>. Repeat this
+      step.</p>
 
       <p class="note">In order to be compatible with future additions,
       this algorithm supports multiple descriptors and descriptors with parens.</p>