Fix typo

Change-Id: I15bebf338027886cc8ec051b5c767e14b537d131
diff --git a/config_avatars.php b/config_avatars.php
index ee1e5d4..8d187e5 100644
--- a/config_avatars.php
+++ b/config_avatars.php
@@ -2,7 +2,7 @@
 // Avatars definitions
 $USERS = [
   'avm99963' => 'https://www.avm99963.com/images/avatar.jpg',
-  'ccbot' => 'https://gerrit-avatars.avm99963.com/img/webmasters.png',
+  'ccbot' => 'https://gerrit-avatars.avm99963.com/img/webmaster.png',
   'zuul' => 'https://gerrit-avatars.avm99963.com/img/zuul.svg',
   // Add your avatar above this line!
 ];