Update lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php

Co-authored-by: Louis <louis@chmn.me>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php

@@ -81,7 +81,7 @@ public function get($allowUnstable = false) {
 				}
 			}
 
-			// If not include upcoming entries, check for upcoming dates and remove those entires
+			// If not include upcoming entries, check for upcoming dates and remove those entries
 			if (!$allowUnstable && isset($entry['date'])) {
 				try {
 					$date = new DateTimeImmutable($entry['date']);