diff --git a/metadata/org.totschnig.sendwithftp.yml b/metadata/org.totschnig.sendwithftp.yml
index eda4f6e43c..e787224e6b 100644
--- a/metadata/org.totschnig.sendwithftp.yml
+++ b/metadata/org.totschnig.sendwithftp.yml
@@ -1,6 +1,9 @@
 Categories:
   - Internet
 License: GPL-3.0-only
+AuthorName: Michael Totschnig
+AuthorEmail: michael@totschnig.org
+AuthorWebSite: https://michael.totschnig.org/
 WebSite: https://mtotschnig.github.com/SendWithFtp
 SourceCode: https://github.com/mtotschnig/SendWithFtp
 IssueTracker: https://github.com/mtotschnig/SendWithFtp/issues
diff --git a/metadata/org.toulibre.capitoledulibre.yml b/metadata/org.toulibre.capitoledulibre.yml
index b2d7344bd8..ac2e5d01c7 100644
--- a/metadata/org.toulibre.capitoledulibre.yml
+++ b/metadata/org.toulibre.capitoledulibre.yml
@@ -1,6 +1,8 @@
 Categories:
   - Time
 License: Apache-2.0
+AuthorName: Capitole du Libre
+AuthorWebSite: https://capitoledulibre.org/
 WebSite: https://2017.capitoledulibre.org/
 SourceCode: https://github.com/capitoledulibre/cdl-companion-android
 IssueTracker: https://github.com/capitoledulibre/cdl-companion-android/issues
diff --git a/metadata/org.toulibre.cdl.yml b/metadata/org.toulibre.cdl.yml
index e84fc425f5..15d7d59553 100644
--- a/metadata/org.toulibre.cdl.yml
+++ b/metadata/org.toulibre.cdl.yml
@@ -1,9 +1,11 @@
 Categories:
   - Time
 License: Apache-2.0
+AuthorName: Capitole du Libre
+AuthorWebSite: https://capitoledulibre.org/
 WebSite: https://2015.capitoledulibre.org/
-SourceCode: https://github.com/toulibre/cdl-companion-android
-IssueTracker: https://github.com/toulibre/cdl-companion-android/issues
+SourceCode: https://github.com/capitoledulibre/cdl-companion-android
+IssueTracker: https://github.com/capitoledulibre/cdl-companion-android/issues
 
 Name: Capitole du Libre (old)
 Summary: Schedule browser for the Capitole du Libre (old)
diff --git a/metadata/org.traccar.client.yml b/metadata/org.traccar.client.yml
index 5e5d9c8995..cc559caa33 100644
--- a/metadata/org.traccar.client.yml
+++ b/metadata/org.traccar.client.yml
@@ -1,10 +1,12 @@
 Categories:
   - Navigation
 License: Apache-2.0
-WebSite: https://www.traccar.org
+AuthorName: Traccar
+AuthorEmail: support@traccar.org
+WebSite: https://www.traccar.org/
 SourceCode: https://github.com/traccar/traccar-client-android
 IssueTracker: https://github.com/traccar/traccar-client-android/issues
-Donate: http://www.traccar.org/donate.jsp
+Donate: https://www.traccar.org/donate.jsp
 
 AutoName: Traccar Client
 Description: |-
diff --git a/metadata/org.transdroid.full.yml b/metadata/org.transdroid.full.yml
index a688e019e7..007b8b02e3 100644
--- a/metadata/org.transdroid.full.yml
+++ b/metadata/org.transdroid.full.yml
@@ -1,7 +1,9 @@
 Categories:
   - Internet
 License: GPL-3.0-only
-WebSite: http://www.transdroid.org
+AuthorName: Eric Kok
+AuthorWebSite: https://ekok.nl/
+WebSite: https://www.transdroid.org/
 SourceCode: https://github.com/erickok/transdroid
 IssueTracker: https://github.com/erickok/transdroid/issues
 Changelog: https://github.com/erickok/transdroid/releases
diff --git a/metadata/org.transdroid.lite.yml b/metadata/org.transdroid.lite.yml
index c7d78575bb..1d45c4763f 100644
--- a/metadata/org.transdroid.lite.yml
+++ b/metadata/org.transdroid.lite.yml
@@ -1,7 +1,9 @@
 Categories:
   - Internet
 License: GPL-3.0-only
-WebSite: http://www.transdroid.org
+AuthorName: Eric Kok
+AuthorWebSite: https://ekok.nl/
+WebSite: https://www.transdroid.org/
 SourceCode: https://github.com/erickok/transdroid
 IssueTracker: https://github.com/erickok/transdroid/issues
 Changelog: https://github.com/erickok/transdroid/releases
diff --git a/metadata/org.transdroid.search.yml b/metadata/org.transdroid.search.yml
index 592699ca94..91765a8fe6 100644
--- a/metadata/org.transdroid.search.yml
+++ b/metadata/org.transdroid.search.yml
@@ -1,7 +1,9 @@
 Categories:
   - Internet
 License: GPL-3.0-only
-WebSite: http://www.transdroid.org
+AuthorName: Eric Kok
+AuthorWebSite: https://ekok.nl/
+WebSite: https://www.transdroid.org/
 SourceCode: https://github.com/erickok/transdroid-search
 IssueTracker: https://github.com/erickok/transdroid-search/issues
 Changelog: https://github.com/erickok/transdroid-search/releases
diff --git a/metadata/org.transdroid.yml b/metadata/org.transdroid.yml
index bdba0ab2c5..80be3444c2 100644
--- a/metadata/org.transdroid.yml
+++ b/metadata/org.transdroid.yml
@@ -3,7 +3,9 @@ AntiFeatures:
 Categories:
   - Internet
 License: GPL-3.0-only
-WebSite: https://www.transdroid.org
+AuthorName: Eric Kok
+AuthorWebSite: https://ekok.nl/
+WebSite: https://www.transdroid.org/
 SourceCode: https://github.com/erickok/transdroid
 IssueTracker: https://github.com/erickok/transdroid/issues
 Changelog: https://github.com/erickok/transdroid/releases
diff --git a/metadata/org.ttrssreader.yml b/metadata/org.ttrssreader.yml
index 82a912219e..dde39d1ca1 100644
--- a/metadata/org.ttrssreader.yml
+++ b/metadata/org.ttrssreader.yml
@@ -1,9 +1,11 @@
 Categories:
   - Internet
 License: GPL-3.0-only
+AuthorName: Nils Braden
 WebSite: https://github.com/nilsbraden/ttrss-reader-fork/wiki
 SourceCode: https://github.com/nilsbraden/ttrss-reader-fork
 IssueTracker: https://github.com/nilsbraden/ttrss-reader-fork/issues
+Translation: https://github.com/nilsbraden/ttrss-reader-fork/wiki/Developer-Information#Language_and_Translations
 Changelog: https://github.com/nilsbraden/ttrss-reader-fork/wiki/Changelog
 Donate: https://github.com/nilsbraden/ttrss-reader-fork/wiki/Donations
 FlattrID: '382465'
diff --git a/metadata/org.tw.onze.cmtheme.yml b/metadata/org.tw.onze.cmtheme.yml
index 7507791148..ff5c4d3a44 100644
--- a/metadata/org.tw.onze.cmtheme.yml
+++ b/metadata/org.tw.onze.cmtheme.yml
@@ -9,6 +9,8 @@ Changelog: https://gitlab.com/xphnx/onze_cm11_theme/blob/HEAD/CHANGELOG.md
 AutoName: Onze
 Summary: CM11 FLOSS Theme
 Description: |-
+    '''Note:''' This app is no longer maintained, its repo was archived.
+
     A port of TwelF CM12 Theme. Onze is a Material Design inspired theme for CM11
     aiming to provide a consistent and minimalistic look to your device.