Adds a duration: meta word for videos 2, a=chris

diff --git a/src/library/PhraseParser.php b/src/library/PhraseParser.php
index da892cb27..082ab2ee5 100755
--- a/src/library/PhraseParser.php
+++ b/src/library/PhraseParser.php
@@ -1105,7 +1105,7 @@ class PhraseParser
             if (!empty($site[CrawlConstants::DURATION])) {
                 $durations = [ 60 => "one-minute", 300 => "five-minute",
                     600 => "ten-minute", 900 => 'fifteen-minute',
-                    1800 => 'half-hour', 3600 => 'hour', 7200 => 'two-hour'
+                    1800 => 'half-hour', 3600 => 'one-hour', 7200 => 'two-hour'
                 ];
                 $duration = intval($site[CrawlConstants::DURATION]);
                 if ($duration > 0) {