initSiteStats.php: Make it obvious you need to use --update
authorKunal Mehta <legoktm@member.fsf.org>
Tue, 8 Mar 2016 19:11:06 +0000 (11:11 -0800)
committerKunal Mehta <legoktm@member.fsf.org>
Tue, 8 Mar 2016 19:11:06 +0000 (11:11 -0800)
commitec134c075f5f72010802f00f063fec396f3ec1b8
treee75021fdf66aff9a6094158f95af3730f5f6f0e6
parentddf2afdee2faeb5ee102e5d13933495890212ffc
initSiteStats.php: Make it obvious you need to use --update

Otherwise people will run the script a few times and be totally confused
as to why their statistics aren't being saved. The wording is taken from
updateArticleCount.php, which has a similar parameter.

Change-Id: I802553120c1bf4d8f6234ccced5f19ecd5cd9b66
maintenance/initSiteStats.php