Fix an i18n typo in the Post user defined variables.

docs/changelog/7.x.x.txt

@@ -1,6 +1,7 @@
 7.7.0
  - fixed: Template parser cannot be set
  - fixed #9836: Matrix: Group to Add Listings is missing
+ - fixed #9873: third-> first in post template help
 
 7.6.14
  - fixed: IE6 shows Admin Bar over Asset Manager

lib/WebGUI/i18n/English/Asset_Post.pm

@@ -487,8 +487,8 @@ editing an existing Post, and a thread containing the Post exists.|,
 	},
 
 	'userDefined3' => {
-		message => q|The value contained in the first user defined variable.|,
-		lastUpdated => 1150167057,
+		message => q|The value contained in the third user defined variable.|,
+		lastUpdated => 1236354498,
 	},
 
 	'userDefined4' => {