Fix #581: add acknowledgments

Signed-off-by: Zoltan Kis <[email protected]>

Author: zolkis

index.html

@@ -4786,8 +4786,9 @@ <h3>Parsing content</h3>
   <p>
     The editors would like to thank Jeffrey Yasskin, Anne van Kesteren,
     Anssi Kostiainen, Domenic Denicola, Daniel Ehrenberg, Jonas Sicking,
-    Don Coleman, Salvatore Iovene, Rijubrata Bhaumik, Wanming Lin, Han Leon, and
-    Ryan Sleevi for their contributions to this document.
+    Don Coleman, Salvatore Iovene, Rijubrata Bhaumik, Wanming Lin, Han Leon,
+    Ryan Sleevi, Balázs Engedy, Theodore Olsauskas-Warren and Reilly Grant
+    for their contributions to this document.
   </p>
   <p>
     Special thanks to Luc Yriarte and Samuel Ortiz for their initial