Minor change in "about.html".

Author: kshetline

src/assets/about.html

@@ -60,8 +60,7 @@
   <h2 class="header-sans"><a name="history">What's New / Version History</a></h2>
   <div  style="padding-left: 1em; text-indent: -1em">
 
-  <p><b>1.7.0, 2019-06-09:</b> Update to use ES6 (ES2017) and Angular 8, which will improve performance but make
-    SVC incompatible with Internet Explorer and other out-of-date web browsers.</p>
+  <p><b>1.7.0, 2019-06-09:</b> Update to use Angular 8, and to use ES6 (ES2017) in up-to-date web browsers.</p>
 
   <p><b>1.6.0, 2019-06-08:</b> Various behind-the-scenes updates.</p>