thanks for your help @mediaformat :)

Author: pfefferle

README.md

@@ -1,5 +1,5 @@
 # ActivityPub #
-**Contributors:** [pfefferle](https://profiles.wordpress.org/pfefferle)  
+**Contributors:** [pfefferle](https://profiles.wordpress.org/pfefferle), [mediaformat](https://profiles.wordpress.org/mediaformat)  
 **Donate link:** https://notiz.blog/donate/  
 **Tags:** OStatus, fediverse, activitypub, activitystream  
 **Requires at least:** 4.7  

languages/activitypub.pot

@@ -5,7 +5,7 @@ msgstr ""
 "Project-Id-Version: ActivityPub 0.11.2\n"
 "Report-Msgid-Bugs-To: "
 "https://wordpress.org/support/plugin/wordpress-activitypub\n"
-"POT-Creation-Date: 2020-12-17 21:20:55+00:00\n"
+"POT-Creation-Date: 2020-12-18 16:09:04+00:00\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"

readme.txt

@@ -1,5 +1,5 @@
 === ActivityPub ===
-Contributors: pfefferle
+Contributors: pfefferle, mediaformat
 Donate link: https://notiz.blog/donate/
 Tags: OStatus, fediverse, activitypub, activitystream
 Requires at least: 4.7