Change variable name on date, a=chris

diff --git a/src/library/WikiParser.php b/src/library/WikiParser.php
index 35c2f9248..0d2562970 100644
--- a/src/library/WikiParser.php
+++ b/src/library/WikiParser.php
@@ -194,7 +194,7 @@ class WikiParser implements CrawlConstants
             ["/{{timestamp}}/si",
                 "<input type='hidden' name='timestamp' value='" .time()."' />"],
             ["/{{date}}/si",
-                "<input type='hidden' name='timestamp' value='" .date('r').
+                "<input type='hidden' name='date' value='" .date('r').
                 "' />"],
             ["/{{username}}/si",
                 "<input type='hidden' name='username' value='[{username}]' />"],