content: Fix @return doc for AbstractContent::getDeletionUpdates()

If a subclass re-implements this function, then there's no guarantee
that it will be returning instances of LinksDelet

Change-Id: I09a0c0a786b687997e61344847f8af08b20cebf2

diff --git a/includes/content/AbstractContent.php b/includes/content/AbstractContent.php
index 65dc3bb..b21eadc 100644 (file)
--- a/includes/content/AbstractContent.php
+++ b/includes/content/AbstractContent.php
@@ -426,7 +426,7 @@ abstract class AbstractContent implements Content {
         * @param WikiPage $page
         * @param ParserOutput|null $parserOutput
         *
-        * @return LinksDeletionUpdate[]
+        * @return DeferrableUpdate[]
         *
         * @see Content::getDeletionUpdates
         */