diff --git a/by-language.md b/by-language.md
index d9be6b6..ae00ffe 100644
--- a/by-language.md
+++ b/by-language.md
@@ -609,7 +609,6 @@
 ## Java 
 
 - [Hachimann/mlkit-barcode-scanning](https://github.com/Hachimann/mlkit-barcode-scanning) - Barcode scanner library for Android, based on ML Kit's barcode scanning API
-- [TeamAmaze/AmazeFileManager](https://github.com/TeamAmaze/AmazeFileManager) - Material design file manager for Android
 - [Catfriend1/syncthing-android](https://github.com/Catfriend1/syncthing-android) - Syncthing-Fork - A Syncthing Wrapper for Android.
 - [siyuan-note/siyuan-android](https://github.com/siyuan-note/siyuan-android) - SiYuan Android APP
 - [LucasGGamerM/moshidon](https://github.com/LucasGGamerM/moshidon) - Better modification of the official Mastodon for Android app
@@ -669,7 +668,7 @@
 - [WebCuratorTool/webcurator-v2-legacy](https://github.com/WebCuratorTool/webcurator-v2-legacy) - The Web Curator Tool is a tool for managing the selective web harvesting process. (moved from SourceForge). https://webcurator.slack.com https://webcuratortool.readthedocs.io
 - [wallabag/android-app](https://github.com/wallabag/android-app) - Android application to read your articles saved in your wallabag. You can also easily add new articles.
 - [TeamNewPipe/NewPipe](https://github.com/TeamNewPipe/NewPipe) - A libre lightweight streaming front-end for Android.
-- [crunchwrapsuprm/PdfViewer](https://github.com/crunchwrapsuprm/PdfViewer) - A simple Pdf document viewer 💼
+- [chxpdev/PdfViewer](https://github.com/chxpdev/PdfViewer) - A simple Pdf document viewer 💼
 - [jverein/jverein](https://github.com/jverein/jverein) - JVerein - Open Source Vereinsverwaltung
 - [DSpace-Labs/SAFBuilder](https://github.com/DSpace-Labs/SAFBuilder) - Builds a Simple Archive Format package from files and a spreadsheet
 - [apilayer/restcountries](https://github.com/apilayer/restcountries) - Get information about countries via a RESTful API
@@ -1143,6 +1142,7 @@
 
 ## Kotlin 
 
+- [TeamAmaze/AmazeFileManager](https://github.com/TeamAmaze/AmazeFileManager) - Material design file manager for Android
 - [Commit451/LabCoat](https://github.com/Commit451/LabCoat) - GitLab client for Android. Mirror of project on GitLab
 - [florisboard/florisboard](https://github.com/florisboard/florisboard) - An open-source keyboard for Android which respects your privacy. Currently in beta.
 - [UrAvgCode/Chooser](https://github.com/UrAvgCode/Chooser) - An Android app to randomly select fingers on the screen