Some more "convertForUriId" replacements

src/Protocol/ActivityPub/Receiver.php

@@ -1345,8 +1345,7 @@ class Receiver
 			// Some AP software allow formatted text in post location, so we run all the text converters we have to boil
 			// down to HTML and then finally format to plaintext.
 			$location = Markdown::convert($location);
-			$location = BBCode::convert($location);
-			$location = HTML::toPlaintext($location);
+			$location = BBCode::toPlaintext($location);
 		}
 
 		$object_data['sc:identifier'] = JsonLD::fetchElement($object, 'sc:identifier', '@value');

src/Protocol/ActivityPub/Transmitter.php

@@ -345,7 +345,7 @@ class Transmitter
 		}
 
 		if (!empty($owner['about'])) {
-			$data['summary'] = BBCode::convert($owner['about'], false);
+			$data['summary'] = BBCode::convertForUriId($owner['uri-id'], $owner['about'], BBCode::EXTERNAL);
 		}
 
 		$data['url'] = $owner['url'];