Fix UI label for ignoreSelfApproval checkbox

Setting ignoreSelfApproval means disregarding the approval.

Change-Id: I31dc74d8d6706d5d744095a9885bbc749af5cce1

submit-rules/gr-simple-submit-rules-label-config_html.js

diff --git a/submit-rules/gr-simple-submit-rules-label-config_html.js b/submit-rules/gr-simple-submit-rules-label-config_html.js
index b825df2..4b14c39 100644
--- a/submit-rules/gr-simple-submit-rules-label-config_html.js
+++ b/submit-rules/gr-simple-submit-rules-label-config_html.js
@@ -73,7 +73,7 @@
         </section>
 
         <section>
-          <span class="title">Allow approval by the change owner</span>
+          <span class="title">Disallow approval by the change owner</span>
           <span class="value">
             <input id="allowUnresolvedComments"
                 type="checkbox"