expand/collapse is also used for comments, so removing 'post'.

include/js_strings.php

@@ -6,8 +6,8 @@ function js_strings() {
 		'$comment'     => t('Comment'),
 		'$showmore'    => t('[+] show all'),
 		'$showfewer'   => t('[-] show less'),
-		'$divgrowmore' => t('[+] expand post'),
-		'$divgrowless' => t('[-] collapse post'),
+		'$divgrowmore' => t('[+] expand'),
+		'$divgrowless' => t('[-] collapse'),
 		'$pwshort'     => t("Password too short"),
 		'$pwnomatch'   => t("Passwords do not match"),
 		'$everybody'   => t('everybody'),